3I/ATLAS
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
apr
11.81,
18.1,
0.6'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.1'
tail in p.a. 69 deg);
06.81,
18.8,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
03.83,
19.7,
0.24'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD);
03.83,
18.6,
0.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
mar
21.81,
18.5,
0.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
18.83,
18.7,
0.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
17.91,
16.8,
0.8'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
1'
tail in p.a. 91 deg);
10P/Tempel 2
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
apr
12.07,
18.9,
1'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
08.06,
20.0,
1.2'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
06.09,
16.7,
0.6'
(F. Carrasco Lopez,
Observatorio Villuercas-Navezuelas (MPC R49),
0.25-m
Newtonian + CCD;
11.4" tail in p.a. 256 deg);
mar
24.11,
15.3,
1.7'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
24.10,
18.0,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
21.76,
17.7,
0.3'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
20.76,
17.9,
0.3'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
19.14,
19.7,
1'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
18.76,
17.9,
0.3'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
18.13,
17.5,
0.5'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD);
17.76,
17.7,
0.3'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
16.76,
18.3,
0.25'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
24P/Schaumasse
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
apr
14.88,
13.1,
1.7'
(M. Meyer,
0.05-m
Refractor + CCD);
13.57,
12.7,
2.9'
(T. Yusa,
0.05-m
Refractor + CCD);
12.69,
13.0,
1.8'
(T. Yusa,
0.05-m
Refractor + CCD);
12.04,
10.9,
14.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
4.9'
tail in p.a. 288 deg);
12.04,
12.3,
12.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
6.2'
tail in p.a. 290 deg);
12.04,
11.5,
11'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
3.9'
tail in p.a. 288 deg);
11.90,
12.9,
1.2'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
11.88,
12.6,
10'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
5.5'
tail in p.a. 292 deg);
11.04,
12.4,
2.2'
(C. Harder,
Jeersdorf f,
0.531-m
Newtonian);
11.03,
12.9,
2.1'
(P. Dekelver,
0.3-m
Newtonian + CCD);
10.92,
12.5,
1.3'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
10.90,
11.8,
8.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2.9'
tail in p.a. 285 deg);
10.90,
11.1,
12'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
4.7'
tail in p.a. 290 deg);
10.89,
11.7,
10'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
5'
tail in p.a. 291 deg);
10.63,
12.1,
2.5'
(T. Thaluang,
MPC-O58,
0.26-m
Newtonian + CCD);
10.17,
14.0,
0.6'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
10.01,
14.7,
0.5'
(À. Bueno,
AstroGRN Trevinca,
0.12-m
Refractor + CCD);
09.93,
11.2,
10'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2.4'
tail in p.a. 289 deg);
09.92,
11.8,
6.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.7'
tail in p.a. 289 deg);
09.92,
11.8,
8.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2.8'
tail in p.a. 287 deg);
08.99,
13.1,
1.4'
(E. Bryssinck,
0.4-m
Newtonian + CCD);
08.91,
13.9,
0.8'
(P. Dekelver,
0.3-m
Newtonian + CCD);
08.77,
13.5,
1.1'
(O. Miyazaki,
0.32-m
Newtonian);
08.76,
12.1,
2.7'
(T. Thaluang,
MPC-O58,
0.26-m
Newtonian + CCD);
08.70,
13.0,
1.7'
(T. Yusa,
0.05-m
Refractor + CCD);
08.57,
13.1,
1.4'
(Y. Yamaguchi,
0.13-m
Hyperboloid astro-camera + CCD);
08.03,
12.6,
8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
2.3'
tail in p.a. 282 deg);
08.00,
12.0,
1.7'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD;
2.1'
tail in p.a. 285 deg);
07.90,
12.1,
2.2'
(C. Harder,
Jeersdorf f,
0.531-m
Newtonian);
07.90,
12.2,
2.5'
(M. Meyer,
0.05-m
Refractor + CCD);
07.89,
13.1,
1.8'
(P. Dekelver,
0.3-m
Newtonian + CCD);
07.05,
11.0,
11'
(M. Lošťák,
0.2-m
Newtonian + CCD);
07.05,
11.9,
11'
(M. Lošťák,
0.2-m
Newtonian + CCD);
07.01,
12.3,
2.9'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
06.95,
11.9,
1.1'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
06.92,
11.4,
10'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
3.9'
tail in p.a. 292 deg);
06.91,
11.5,
8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2.3'
tail in p.a. 290 deg);
06.91,
12.0,
9.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
4.5'
tail in p.a. 289 deg);
06.89,
13.3,
1.4'
(P. Dekelver,
0.3-m
Newtonian + CCD);
06.84,
12.3,
2.9'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
06.18,
11.3,
2'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
1.5'
tail in p.a. 291 deg);
06.00,
13.5,
0.7'
(À. Bueno,
AstroGRN Trevinca,
0.12-m
Refractor + CCD);
05.97,
13.9,
0.9'
(P. Dekelver,
0.3-m
Newtonian + CCD);
05.18,
14.5,
0.35'
(R. Arnold,
Trevinca, Spain,
0.3-m
Newtonian + CCD);
05.16,
13.5,
0.5'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
04.05,
12.2,
2'
(W. Souza,
0.05-m
Refractor + CCD);
03.99,
14.4,
0.6'
(F. Carrasco Lopez,
Observatorio Villuercas-Navezuelas (MPC R49),
0.25-m
Newtonian + CCD);
01.92,
12.7,
1.7'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD);
01.90,
14.2,
0.6'
(P. Dekelver,
0.3-m
Newtonian + CCD);
01.19,
12.0,
1.5'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
0.7'
tail in p.a. 279 deg);
mar
31.19,
12.1,
2.2'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
30.90,
13.5,
1.1'
(P. Dekelver,
0.3-m
Newtonian + CCD);
30.20,
11.8,
1.8'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
29.19,
10.9,
3.7'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
4'
tail in p.a. 289 deg);
29.14,
13.1,
1'
(À. Bueno,
AstroGRN Trevinca,
0.12-m
Refractor + CCD);
29.06,
11.8,
2.82'
(N. Quinn,
0.28-m
Schmidt-Cassegrain + CCD);
28.91,
13.5,
0.7'
(T. Thaluang,
MPC-O58,
0.26-m
Newtonian + CCD);
28.64,
12.5,
1.8'
(T. Yusa,
0.05-m
Refractor + CCD);
28.13,
13.0,
0.9'
(À. Bueno,
AstroGRN Trevinca,
0.12-m
Refractor + CCD);
27.97,
14.0,
0.37'
(S. Shurpakov,
0.41-m
Newtonian + CCD);
27.66,
12.4,
2.1'
(T. Yusa,
0.05-m
Refractor + CCD);
27.16,
12.5,
2'
(R. Hill,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
27.00,
12.1,
2.9'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
25.00,
11.4,
1.5'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
24.95,
13.2,
1.2'
(P. Dekelver,
0.3-m
Newtonian + CCD);
24.80,
13.0,
1.9'
(O. Miyazaki,
0.32-m
Newtonian);
24.73,
12.2,
2.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
24.72,
12.2,
2.3'
(T. Yusa,
0.05-m
Refractor + CCD);
24.07,
10.6,
14'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
3.3'
tail in p.a. 284 deg);
24.06,
10.7,
11.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2.9'
tail in p.a. 282 deg);
24.06,
11.5,
11.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
4.6'
tail in p.a. 285 deg);
23.94,
13.8,
0.8'
(P. Dekelver,
0.3-m
Newtonian + CCD);
23.74,
12.3,
2.9'
(T. Yusa,
0.05-m
Refractor + CCD);
23.73,
11.2,
2.8'
(K. Harikae,
0.15-m
Newtonian + CCD);
23.28,
12.4,
1'
(J. de Souza Aguiar,
0.3-m
Newtonian);
23.13,
10.8,
11'
(M. Lošťák,
0.2-m
Newtonian + CCD);
23.13,
11.2,
11'
(M. Lošťák,
0.2-m
Newtonian + CCD);
23.12,
11.9,
1.9'
(À. Bueno,
AstroGRN Trevinca,
0.12-m
Refractor + CCD);
23.05,
12.2,
2.5'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
22.97,
9.9,
17.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2.5'
tail in p.a. 283 deg);
22.97,
10.4,
10.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.7'
tail in p.a. 285 deg);
22.96,
10.6,
13'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2.9'
tail in p.a. 286 deg);
22.96,
11.2,
5.6'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD;
3.4'
tail in p.a. 287 deg);
22.94,
11.6,
2.3'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
22.93,
13.2,
1.1'
(P. Dekelver,
0.3-m
Newtonian + CCD);
22.72,
12.2,
2.8'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
22.68,
11.4,
5'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
22.18,
11.2,
3.6'
(À. Bueno,
AstroGRN Trevinca,
0.12-m
Refractor + CCD);
22.12,
11.5,
2.5'
(C. Harder,
Jeersdorf f,
0.35-m
Newtonian);
22.08,
13.9,
0.73'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
21.98,
10.9,
9.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.5'
tail in p.a. 278 deg);
21.96,
11.1,
4.3'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD);
21.96,
11.2,
1.3'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
21.92,
13.6,
0.7'
(P. Dekelver,
0.3-m
Newtonian + CCD);
21.77,
11.6,
2.8'
(K. Harikae,
0.15-m
Newtonian + CCD);
21.74,
12.1,
2.5'
(T. Yusa,
0.05-m
Refractor + CCD);
21.74,
12.0,
2.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
21.73,
11.2,
5'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
6.1'
tail in p.a. 287 deg);
20.95,
12.6,
1.5'
(P. Dekelver,
0.3-m
Newtonian + CCD);
20.80,
12.1,
1.9'
(O. Miyazaki,
0.32-m
Newtonian);
20.69,
11.3,
5'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
6.6'
tail in p.a. 283 deg);
20.63,
11.5,
1.8'
(Y. Nagai,
0.05-m
Refractor + CCD);
20.03,
11.8,
3.5'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
20.01,
11.8,
1'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
19.97,
13.0,
1.5'
(P. Dekelver,
0.3-m
Newtonian + CCD);
19.58,
10.5,
3.9'
(M. Mattiazzo,
0.28-m
Schmidt reflector + CCD;
7.2'
tail in p.a. 288 deg);
19.34,
12.5,
2.1'
(S. Aguirre,
Real del Molinito, Son.,
0.05-m
Refractor + CCD);
19.12,
11.6,
8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
5.5'
tail in p.a. 286 deg);
18.98,
10.4,
15'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
3.2'
tail in p.a. 288 deg);
18.98,
10.3,
12.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
18.97,
10.8,
13.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
3.7'
tail in p.a. 290 deg);
18.95,
13.4,
1.1'
(P. Dekelver,
0.3-m
Newtonian + CCD);
18.92,
11.7,
1.2'
(T. Sciezor,
Cracow,
0.03-m
Camera lens + CCD);
18.74,
11.7,
3'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
18.70,
11.4,
5'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
5.1'
tail in p.a. 285 deg);
18.23,
11.2,
2'
(J. Trigo-Rodríguez,
Montseny Astronomical Observatory B06,
0.05-m
"small telescopes" with aperture in range 4-10 inches + CCD);
18.12,
11.7,
2'
(W. Kutschera,
0.508-m
Newtonian);
18.11,
11.2,
4.51'
(N. Quinn,
0.28-m
Schmidt-Cassegrain + CCD);
18.07,
10.3,
19'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.18° tail in p.a. 285 deg);
18.04,
11.9,
3'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
18.02,
11.9,
1'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
17.75,
11.3,
4.2'
(T. Yusa,
0.05-m
Refractor + CCD);
17.73,
11.8,
3.2'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
17.70,
11.2,
6'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
6.6'
tail in p.a. 283 deg);
16.95,
10.8,
3.9'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.05-m
Refractor + CCD);
16.73,
11.8,
3.2'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
16.70,
11.0,
7'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
6.7'
tail in p.a. 284 deg);
29P/Schwassmann-Wachmann
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
apr
13.47,
12.0,
3.8'
(T. Yusa,
0.05-m
Refractor + CCD);
12.59,
12.1,
2.8'
(T. Yusa,
0.05-m
Refractor + CCD);
12.43,
12.2,
2.8'
(T. Yusa,
0.05-m
Refractor + CCD);
11.88,
12.2,
4'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
11.85,
12.0,
14'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
11.84,
11.3,
11.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
11.84,
9.9,
16.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
11.83,
12.0,
12.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
11.43,
11.5,
4.3'
(C. Wyatt,
0.4-m
Newtonian);
11.01,
12.2,
3.8'
(P. Dekelver,
0.3-m
Newtonian + CCD);
10.92,
11.2,
11'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
10.92,
10.0,
15.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
10.91,
11.9,
11.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
10.91,
12.7,
3'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
10.90,
11.8,
5.5'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
09.83,
11.4,
9.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
09.83,
10.3,
13.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
09.82,
11.8,
11.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
08.89,
12.4,
3.5'
(P. Dekelver,
0.3-m
Newtonian + CCD);
08.84,
10.8,
4.5'
(M. Meyer,
0.05-m
Refractor + CCD);
08.61,
12.0,
3.1'
(T. Yusa,
0.05-m
Refractor + CCD);
08.60,
11.5,
5.2'
(K. Yoshimoto,
0.3-m
Newtonian + CCD);
08.54,
11.2,
4.1'
(H. Smith,
MPC-O58,
0.26-m
Newtonian + CCD);
08.43,
11.5,
3'
(T. Yusa,
0.05-m
Refractor + CCD);
08.01,
11.6,
12'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
07.98,
12.1,
2.5'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
07.88,
,
1.2'
(C. Harder,
Jeersdorf f,
0.531-m
Newtonian);
07.87,
12.1,
3.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
07.85,
10.2,
12.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
07.85,
11.2,
10.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
07.84,
11.7,
10.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
07.49,
11.7,
4.6'
(K. Yoshimoto,
0.3-m
Newtonian + CCD);
06.91,
11.7,
5.9'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
06.87,
12.4,
2.7'
(P. Dekelver,
0.3-m
Newtonian + CCD);
06.87,
13.0,
1.5'
(C. Harder,
Jeersdorf f,
0.531-m
Newtonian);
06.85,
11.9,
4'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
06.83,
10.8,
10.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
06.83,
11.7,
7.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
06.83,
12.0,
8.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
06.82,
12.1,
12'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
06.75,
11.7,
5.9'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
06.00,
16.9,
0.18'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD);
05.95,
15.8,
0.41'
(P. Dekelver,
0.3-m
Newtonian + CCD);
05.94,
12.3,
1.1'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
05.50,
15.1,
0.4'
(Y. Yamaguchi,
0.13-m
Hyperboloid astro-camera + CCD);
05.50,
12.0,
3.6'
(K. Yoshimoto,
0.3-m
Newtonian + CCD);
04.94,
11.9,
3.4'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
04.92,
16.3,
0.2'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
04.07,
11.5,
5.3'
(W. Souza,
0.05-m
Refractor + CCD);
03.98,
16.3,
0.31'
(À. Bueno,
AstroGRN Trevinca,
0.12-m
Refractor + CCD);
03.87,
12.0,
1.5'
(T. Sciezor,
Cracow,
0.05-m
Refractor + CCD);
03.83,
11.7,
10'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
03.82,
10.2,
11.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
03.82,
11.1,
8.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
03.82,
11.8,
8.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
03.58,
11.8,
2.6'
(T. Yusa,
0.05-m
Refractor + CCD);
03.47,
11.8,
2.5'
(T. Yusa,
0.05-m
Refractor + CCD);
02.93,
11.5,
5.1'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
01.86,
15.9,
0.35'
(P. Dekelver,
0.3-m
Newtonian + CCD);
01.85,
10.2,
4'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD);
mar
28.81,
11.7,
2.6'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.05-m
Refractor + CCD);
28.61,
12.0,
2.2'
(T. Yusa,
0.05-m
Refractor + CCD);
28.53,
12.3,
2.2'
(T. Yusa,
0.05-m
Refractor + CCD);
27.78,
11.3,
3.5'
(H. Kiiskinen,
0.4-m
Ritchey-Chretien + CCD);
27.59,
12.3,
2.1'
(T. Yusa,
0.05-m
Refractor + CCD);
27.48,
12.4,
2.1'
(T. Yusa,
0.05-m
Refractor + CCD);
26.91,
11.8,
2.3'
(R. Hill,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
26.86,
11.8,
3.7'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
26.50,
12.4,
2'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
25.98,
11.7,
2.63'
(N. Quinn,
0.28-m
Schmidt-Cassegrain + CCD);
25.95,
11.9,
3.1'
(R. Hill,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
24.93,
11.8,
3.7'
(P. Dekelver,
0.3-m
Newtonian + CCD);
24.64,
11.9,
3.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
24.58,
11.6,
4'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
24.48,
11.5,
2.5'
(T. Yusa,
0.05-m
Refractor + CCD);
24.05,
9.5,
16'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
24.04,
10.3,
12.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
24.04,
11.2,
11.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
23.85,
14.5,
0.8'
(P. Dekelver,
0.3-m
Newtonian + CCD);
23.73,
12.7,
1.3'
(K. Harikae,
0.15-m
Newtonian + CCD);
23.70,
11.3,
3.2'
(T. Yusa,
0.05-m
Refractor + CCD);
23.58,
11.4,
3.2'
(T. Yusa,
0.05-m
Refractor + CCD);
23.05,
11.9,
9.2'
(M. Lošťák,
0.2-m
Newtonian + CCD);
23.05,
11.1,
9.2'
(M. Lošťák,
0.2-m
Newtonian + CCD);
22.97,
11.3,
4.5'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
22.96,
9.7,
16.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
22.95,
11.3,
13.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
22.95,
10.6,
14.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
22.93,
11.7,
3'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
22.86,
11.1,
4.6'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD);
22.84,
13.8,
1.1'
(P. Dekelver,
0.3-m
Newtonian + CCD);
22.72,
11.2,
4'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
22.63,
12.2,
2.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
22.48,
10.5,
7'
(M. Mattiazzo,
0.28-m
Schmidt reflector + CCD);
22.47,
12.1,
2.2'
(T. Yusa,
0.05-m
Refractor + CCD);
22.06,
11.8,
2.2'
(À. Bueno,
AstroGRN Trevinca,
0.12-m
Refractor + CCD);
22.05,
11.8,
2.6'
(M. Šrejber,
Hvezdarna a planetarium Hradec Kralove (MPC 048),
0.25-m
Newtonian + CCD);
22.01,
11.7,
2.6'
(M. Šrejber,
Hvezdarna a planetarium Hradec Kralove (MPC 048),
0.25-m
Newtonian + CCD);
21.98,
12.1,
2.6'
(M. Šrejber,
Hvezdarna a planetarium Hradec Kralove (MPC 048),
0.25-m
Newtonian + CCD);
21.94,
12.0,
2.6'
(M. Šrejber,
Hvezdarna a planetarium Hradec Kralove (MPC 048),
0.25-m
Newtonian + CCD);
21.87,
11.3,
2.5'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
21.85,
11.0,
11.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
21.85,
10.1,
14'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
21.84,
11.5,
10.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
21.84,
14.2,
0.7'
(P. Dekelver,
0.3-m
Newtonian + CCD);
21.83,
11.8,
2.8'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD);
21.63,
12.5,
1.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
21.54,
11.6,
2.8'
(T. Yusa,
0.05-m
Refractor + CCD);
21.50,
11.5,
1.7'
(Y. Nagai,
0.05-m
Refractor + CCD);
20.93,
11.9,
2.2'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
20.93,
10.3,
15'
(J. Trigo-Rodríguez,
Montseny Astronomical Observatory B06,
0.05-m
"small telescopes" with aperture in range 4-10 inches + CCD);
20.86,
12.2,
2.6'
(P. Dekelver,
0.3-m
Newtonian + CCD);
20.59,
11.4,
1.8'
(Y. Nagai,
0.05-m
Refractor + CCD);
20.06,
11.5,
3.2'
(T. Yusa,
0.05-m
Refractor + CCD);
19.94,
12.8,
1.5'
(P. Dekelver,
0.3-m
Newtonian + CCD);
19.90,
11.2,
9.2'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD);
19.88,
11.7,
4.2'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
19.79,
11.4,
3'
(H. Kiiskinen,
0.4-m
Ritchey-Chretien + CCD);
19.62,
11.3,
4'
(T. Yusa,
0.05-m
Refractor + CCD);
19.52,
10.9,
4.7'
(M. Mattiazzo,
0.28-m
Schmidt reflector + CCD);
19.49,
11.2,
4'
(T. Yusa,
0.05-m
Refractor + CCD);
19.11,
12.9,
1.4'
(S. Aguirre,
Real del Molinito, Son.,
0.05-m
Refractor + CCD);
19.06,
11.4,
12'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
18.97,
9.9,
15'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
18.97,
11.6,
1.8'
(W. Kutschera,
0.508-m
Newtonian);
18.97,
10.9,
13'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
18.96,
11.6,
11.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
18.93,
10.5,
3.6'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
18.90,
11.5,
2.5'
(C. Harder,
Lild Strand /DK,
0.35-m
Newtonian);
18.90,
11.1,
2.5'
(T. Sciezor,
Cracow,
0.03-m
Camera lens + CCD);
18.89,
11.2,
8.2'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD);
18.86,
11.5,
3.4'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD);
18.85,
11.6,
12'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
18.67,
11.6,
3'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
18.62,
11.8,
3'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
17.99,
11.2,
9.9'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD);
17.86,
11.7,
3.7'
(P. Dekelver,
0.3-m
Newtonian + CCD);
17.70,
11.2,
4'
(T. Yusa,
0.05-m
Refractor + CCD);
17.67,
11.8,
3'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
17.61,
11.8,
3'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
17.48,
11.1,
4.5'
(T. Yusa,
0.05-m
Refractor + CCD);
17.09,
12.1,
2.1'
(R. Hill,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
16.90,
11.7,
3.6'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
16.86,
12.8,
1'
(C. Harder,
Lild Strand /DK,
0.35-m
Newtonian);
16.83,
11.1,
2.4'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.05-m
Refractor + CCD);
16.67,
12.0,
2.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
16.59,
11.6,
3'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
16.48,
11.1,
4.5'
(T. Yusa,
0.05-m
Refractor + CCD);
40P/Vaisala
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
apr
12.06,
17.8,
0.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
mar
24.10,
18.4,
0.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
43P/Wolf-Harrington
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
apr
13.51,
17.6,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD);
11.84,
17.8,
0.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
09.84,
17.9,
0.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
08.97,
18.1,
0.23'
(P. Dekelver,
0.3-m
Newtonian + CCD);
08.56,
17.5,
0.4'
(K. Yoshimoto,
0.3-m
Newtonian + CCD);
07.96,
17.8,
0.29'
(P. Dekelver,
0.3-m
Newtonian + CCD);
06.99,
17.9,
0.23'
(P. Dekelver,
0.3-m
Newtonian + CCD);
06.84,
17.8,
0.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
03.85,
17.4,
0.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.4'
tail in p.a. 308 deg);
01.97,
17.3,
0.23'
(P. Dekelver,
0.3-m
Newtonian + CCD);
mar
25.52,
16.9,
0.5'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
0.7'
tail in p.a. 306 deg);
24.56,
16.9,
0.5'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
23.96,
17.6,
0.23'
(P. Dekelver,
0.3-m
Newtonian + CCD);
22.96,
17.6,
0.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
22.53,
16.6,
0.6'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
22.49,
16.5,
0.7'
(M. Mattiazzo,
0.28-m
Schmidt reflector + CCD;
3.8'
tail in p.a. 294 deg);
21.99,
17.5,
0.29'
(P. Dekelver,
0.3-m
Newtonian + CCD);
21.84,
16.9,
0.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.9'
tail in p.a. 299 deg);
21.69,
16.8,
0.6'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
1.7'
tail in p.a. 306 deg);
21.02,
17.4,
0.23'
(P. Dekelver,
0.3-m
Newtonian + CCD);
20.53,
16.6,
0.5'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
20.01,
17.3,
0.29'
(P. Dekelver,
0.3-m
Newtonian + CCD);
19.52,
16.8,
0.5'
(M. Mattiazzo,
0.28-m
Schmidt reflector + CCD);
18.96,
17.2,
0.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.2'
tail in p.a. 309 deg);
18.54,
16.6,
0.6'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
0.7'
tail in p.a. 301 deg);
17.63,
17.1,
0.4'
(T. Yusa,
0.05-m
Refractor + CCD);
17.52,
16.5,
0.6'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
0.5'
tail in p.a. 304 deg);
16.65,
16.3,
0.9'
(T. Yusa,
0.05-m
Refractor + CCD);
16.55,
16.6,
0.6'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
1.1'
tail in p.a. 310 deg);
63P/Wild
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
apr
14.83,
15.6,
0.6'
(M. Meyer,
0.05-m
Refractor + CCD);
11.82,
16.7,
1'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.3'
tail in p.a. 281 deg);
09.92,
17.6,
0.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
08.88,
14.9,
1.5'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
08.72,
14.9,
1.5'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
08.48,
16.7,
0.4'
(K. Yoshimoto,
0.3-m
Newtonian + CCD;
0.6'
tail in p.a. 280 deg);
05.92,
18.0,
0.18'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD);
03.87,
18.8,
0.42'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD);
mar
19.02,
17.8,
0.23'
(P. Dekelver,
0.3-m
Newtonian + CCD);
18.84,
16.1,
1'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.6'
tail in p.a. 277 deg);
17.91,
18.0,
0.18'
(P. Dekelver,
0.3-m
Newtonian + CCD);
88P/Howell
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
apr
08.50,
10.4,
2'
(M. Olason,
Arizona,
0.05-m
Refractor + CCD);
05.34,
10.8,
5.9'
(W. Souza,
0.05-m
Refractor + CCD);
02.51,
10.3,
2'
(M. Olason,
Arizona,
0.05-m
Refractor + CCD);
mar
25.51,
10.5,
2'
(M. Olason,
Arizona,
0.05-m
Refractor + CCD);
25.38,
10.1,
6'
(M. Mattiazzo,
0.25-m
Schmidt reflector + CCD;
12.7'
tail in p.a. 251 deg);
23.52,
10.4,
2'
(M. Olason,
Arizona,
0.05-m
Refractor + CCD);
23.32,
9.7,
1'
(J. de Souza Aguiar,
0.3-m
Newtonian);
21.52,
10.3,
2'
(M. Olason,
Arizona,
0.05-m
Refractor + CCD);
21.32,
9.8,
1'
(J. de Souza Aguiar,
0.3-m
Newtonian);
19.52,
10.1,
2'
(M. Olason,
Arizona,
0.05-m
Refractor + CCD);
18.86,
10.3,
3'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
17.86,
10.3,
3'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
17.53,
9.9,
2'
(M. Olason,
Arizona,
0.05-m
Refractor + CCD);
17.32,
10.2,
1'
(J. de Souza Aguiar,
0.3-m
Newtonian);
16.86,
10.3,
3'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
16.38,
11.0,
3.2'
(M. Mašek,
Paranal,
0.067-m
Camera lens + CCD);
16.38,
10.0,
4.6'
(M. Mašek,
Paranal,
0.067-m
Camera lens + CCD);
123P/West-Hartley
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
apr
06.81,
18.1,
0.6'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
03.81,
17.4,
0.21'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD);
mar
21.80,
19.1,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
19.82,
17.9,
0.6'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD);
124P/Mrkos
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
apr
03.93,
19.0,
0.21'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD);
mar
19.09,
18.9,
0.18'
(P. Dekelver,
0.3-m
Newtonian + CCD);
164P/Christensen
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
apr
08.93,
17.1,
0.4'
(E. Bryssinck,
0.4-m
Newtonian + CCD);
mar
21.88,
17.9,
0.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
19.13,
18.3,
0.18'
(P. Dekelver,
0.3-m
Newtonian + CCD);
195P/Hill
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
mar
26.93,
18.5,
0.17'
(R. Hill,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
210P/Christensen
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
apr
09.95,
17.6,
1.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
08.68,
16.8,
0.5'
(T. Yusa,
0.05-m
Refractor + CCD);
mar
24.08,
17.2,
1.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
22.66,
17.2,
0.6'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
21.66,
17.2,
0.6'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
20.67,
17.5,
0.6'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
0.9'
tail in p.a. 279 deg);
18.67,
17.2,
0.6'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
0.8'
tail in p.a. 291 deg);
17.68,
17.3,
0.6'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
16.68,
17.1,
0.6'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
215P/NEAT
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
mar
27.12,
20.7,
0.17'
(R. Hill,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
217P/LINEAR
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
apr
06.82,
19.2,
0.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
mar
21.82,
18.6,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
235P/LINEAR
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
apr
13.69,
15.2,
0.4'
(T. Yusa,
0.05-m
Refractor + CCD);
12.72,
14.7,
0.47'
(T. Yusa,
0.05-m
Refractor + CCD);
12.06,
15.7,
0.9'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.1'
tail in p.a. 266 deg);
11.14,
15.6,
0.24'
(P. Dekelver,
0.3-m
Newtonian + CCD);
11.07,
14.4,
0.15'
(C. Harder,
Jeersdorf f,
0.531-m
Newtonian);
09.04,
15.6,
0.24'
(P. Dekelver,
0.3-m
Newtonian + CCD);
08.72,
14.4,
0.5'
(T. Yusa,
0.05-m
Refractor + CCD);
08.05,
15.2,
0.41'
(P. Dekelver,
0.3-m
Newtonian + CCD;
0.8'
tail in p.a. 264 deg);
07.14,
15.2,
0.47'
(P. Dekelver,
0.3-m
Newtonian + CCD;
0.9'
tail in p.a. 267 deg);
06.11,
15.4,
0.24'
(P. Dekelver,
0.3-m
Newtonian + CCD);
02.06,
15.6,
0.35'
(P. Dekelver,
0.3-m
Newtonian + CCD);
mar
31.06,
16.3,
0.18'
(P. Dekelver,
0.3-m
Newtonian + CCD);
27.22,
14.5,
0.6'
(R. Hill,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
27.08,
13.9,
1.2'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
24.82,
14.8,
0.6'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
24.77,
14.5,
0.5'
(T. Yusa,
0.05-m
Refractor + CCD);
23.76,
14.3,
0.9'
(T. Yusa,
0.05-m
Refractor + CCD;
0.8'
tail in p.a. 270 deg);
23.73,
13.6,
1.2'
(K. Harikae,
0.15-m
Newtonian + CCD);
22.79,
14.5,
0.6'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
1.2'
tail in p.a. 268 deg);
22.71,
14.3,
0.8'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
5.3'
tail in p.a. 269 deg);
21.79,
15.1,
0.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
21.78,
13.4,
1.2'
(K. Harikae,
0.15-m
Newtonian + CCD);
21.76,
14.5,
0.7'
(T. Yusa,
0.05-m
Refractor + CCD;
0.8'
tail in p.a. 271 deg);
21.74,
14.3,
0.8'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
4.3'
tail in p.a. 270 deg);
21.08,
15.6,
0.24'
(P. Dekelver,
0.3-m
Newtonian + CCD);
20.71,
14.1,
0.8'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
4.8'
tail in p.a. 270 deg);
20.11,
13.7,
2'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
20.11,
15.3,
0.35'
(P. Dekelver,
0.3-m
Newtonian + CCD;
2.5'
tail in p.a. 270 deg);
19.82,
14.4,
0.7'
(K. Yoshimoto,
0.3-m
Newtonian + CCD;
15'
tail in p.a. 274 deg);
18.81,
14.6,
0.6'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
0.8'
tail in p.a. 278 deg);
18.72,
14.7,
0.8'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
4.9'
tail in p.a. 265 deg);
18.10,
13.9,
1.5'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.12° tail in p.a. 271 deg);
17.81,
14.8,
0.6'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
1'
tail in p.a. 273 deg);
17.77,
14.5,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD;
1'
tail in p.a. 270 deg);
17.72,
14.2,
0.8'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
6.9'
tail in p.a. 268 deg);
16.81,
14.6,
0.6'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
2.2'
tail in p.a. 272 deg);
16.72,
14.3,
0.8'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
6.3'
tail in p.a. 267 deg);
240P-B/NEAT
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
apr
06.80,
18.8,
0.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
06.79,
19.9,
0.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
03.81,
19.7,
0.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
03.81,
18.3,
0.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
mar
18.80,
18.7,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
240P/NEAT
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
apr
11.81,
15.6,
1.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.2'
tail in p.a. 84 deg);
11.80,
16.8,
0.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
11.80,
16.4,
1.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.2'
tail in p.a. 85 deg);
08.87,
17.4,
0.23'
(P. Dekelver,
0.3-m
Newtonian + CCD);
08.86,
15.8,
0.6'
(E. Bryssinck,
0.4-m
Newtonian + CCD);
07.85,
17.2,
0.29'
(P. Dekelver,
0.3-m
Newtonian + CCD);
07.82,
15.0,
1.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.3'
tail in p.a. 89 deg);
07.81,
16.4,
1.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.2'
tail in p.a. 85 deg);
07.81,
16.6,
1.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.4'
tail in p.a. 87 deg);
06.85,
17.3,
0.23'
(P. Dekelver,
0.3-m
Newtonian + CCD);
06.80,
15.7,
1.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.3'
tail in p.a. 85 deg);
06.80,
17.5,
1'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
0.4'
tail in p.a. 83 deg);
06.79,
16.5,
1'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.3'
tail in p.a. 87 deg);
06.79,
16.0,
1'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.2'
tail in p.a. 83 deg);
05.93,
16.7,
0.35'
(P. Dekelver,
0.3-m
Newtonian + CCD);
03.85,
17.4,
0.28'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD);
03.82,
16.8,
1.4'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
03.81,
17.5,
0.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
03.81,
16.1,
0.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
03.81,
17.2,
0.6'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
02.81,
14.1,
2.5'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
02.65,
14.1,
2.5'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
01.84,
17.0,
0.23'
(P. Dekelver,
0.3-m
Newtonian + CCD);
mar
30.87,
16.7,
0.29'
(P. Dekelver,
0.3-m
Newtonian + CCD);
23.93,
16.4,
0.3'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
23.83,
17.0,
0.23'
(P. Dekelver,
0.3-m
Newtonian + CCD);
22.86,
15.3,
68'
(D. Buczynski,
Tarbatness,
0.35-m
Schmidt-Cassegrain + CCD);
22.82,
15.0,
0.5'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
0.5'
tail in p.a. 85 deg);
22.82,
17.2,
0.23'
(P. Dekelver,
0.3-m
Newtonian + CCD);
21.82,
16.7,
0.35'
(P. Dekelver,
0.3-m
Newtonian + CCD);
21.78,
15.2,
1.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.4'
tail in p.a. 89 deg);
21.78,
17.3,
1'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.2'
tail in p.a. 94 deg);
21.77,
17.3,
1.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.7'
tail in p.a. 90 deg);
20.84,
16.8,
0.29'
(P. Dekelver,
0.3-m
Newtonian + CCD);
19.92,
16.8,
0.29'
(P. Dekelver,
0.3-m
Newtonian + CCD);
18.87,
16.8,
0.29'
(P. Dekelver,
0.3-m
Newtonian + CCD);
18.84,
16.2,
0.37'
(M. Šrejber,
Hvezdarna a planetarium Hradec Kralove (MPC 048),
0.25-m
Newtonian + CCD;
0.4'
tail in p.a. 95 deg);
18.81,
16.6,
1.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
18.81,
14.8,
2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
18.80,
16.5,
1.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
18.78,
16.6,
1.6'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
17.87,
15.0,
1.8'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
2.2'
tail in p.a. 204 deg);
17.84,
17.2,
0.18'
(P. Dekelver,
0.3-m
Newtonian + CCD);
242P/Spahr
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
apr
06.82,
18.4,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
mar
22.88,
18.1,
0.18'
(P. Dekelver,
0.3-m
Newtonian + CCD);
21.88,
17.6,
0.23'
(P. Dekelver,
0.3-m
Newtonian + CCD);
493P/LONEOS
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
apr
05.90,
18.4,
0.11'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD);
03.85,
18.3,
0.28'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD);
C/2014 UN271 (Bernardinelli-Bernstein)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
apr
11.45,
15.3,
0.3'
(C. Wyatt,
0.4-m
Newtonian);
mar
25.55,
14.5,
1'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
24.57,
14.4,
1'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
24.51,
14.7,
1'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
22.85,
15.6,
1.2'
(T. Csorgei,
Skygems Namibia Remote Observatory (MPC L81),
0.106-m
Refractor + CCD);
22.57,
14.4,
1'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
22.51,
14.4,
1'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
21.57,
14.5,
1'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
21.52,
14.7,
1'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
20.56,
14.5,
1'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
19.48,
15.0,
0.6'
(M. Mattiazzo,
0.28-m
Schmidt reflector + CCD);
18.58,
14.4,
1'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
18.50,
14.5,
1'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
17.58,
14.4,
1'
(A. Pearce,
Nedlands, Perth, W. Australia (MPC P14),
0.05-m
Refractor + CCD);
17.54,
14.7,
1'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
16.59,
14.6,
1'
(A. Pearce,
Nedlands, Perth, W. Australia (MPC P14),
0.05-m
Refractor + CCD);
16.53,
14.8,
1'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
C/2017 K2 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
mar
21.81,
18.0,
0.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
19.86,
17.5,
0.7'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.4'
tail in p.a. 77 deg);
C/2021 G2 (Atlas)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
apr
12.74,
15.4,
0.8'
(T. Yusa,
0.05-m
Refractor + CCD);
12.05,
16.0,
1.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.8'
tail in p.a. 235 deg);
10.04,
16.8,
0.4'
(D. Buczynski,
Tarbatness Observatory, Portmahomack,
0.35-m
Schmidt-Cassegrain + CCD);
09.96,
16.3,
1.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
09.06,
16.6,
0.24'
(P. Dekelver,
0.3-m
Newtonian + CCD);
08.74,
15.2,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD);
08.05,
15.9,
2'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
08.03,
15.9,
0.41'
(P. Dekelver,
0.3-m
Newtonian + CCD);
07.11,
15.9,
1.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
06.98,
16.0,
0.35'
(P. Dekelver,
0.3-m
Newtonian + CCD);
02.04,
16.2,
0.35'
(P. Dekelver,
0.3-m
Newtonian + CCD);
mar
31.04,
15.9,
0.35'
(P. Dekelver,
0.3-m
Newtonian + CCD);
24.08,
15.9,
1'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
23.04,
16.5,
0.24'
(P. Dekelver,
0.3-m
Newtonian + CCD);
21.80,
15.6,
0.6'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
0.6'
tail in p.a. 244 deg);
21.06,
16.6,
0.24'
(P. Dekelver,
0.3-m
Newtonian + CCD);
20.78,
15.5,
0.6'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
20.06,
16.1,
0.35'
(P. Dekelver,
0.3-m
Newtonian + CCD);
19.13,
16.1,
2.8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
18.79,
15.6,
0.6'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
17.79,
15.6,
0.6'
(A. Pearce,
Perth Observatory, Bickley (MPC 323),
0.35-m
Schmidt-Cassegrain + CCD;
1.3'
tail in p.a. 252 deg);
16.79,
15.6,
0.6'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
C/2022 E2 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
apr
12.10,
17.3,
0.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
09.13,
17.6,
0.24'
(P. Dekelver,
0.3-m
Newtonian + CCD);
08.12,
17.3,
0.29'
(P. Dekelver,
0.3-m
Newtonian + CCD);
07.12,
16.9,
1'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
06.13,
17.2,
0.29'
(P. Dekelver,
0.3-m
Newtonian + CCD);
mar
19.17,
17.1,
0.24'
(P. Dekelver,
0.3-m
Newtonian + CCD);
C/2022 N2 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
apr
11.80,
15.9,
1.4'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
07.81,
14.2,
1.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
07.80,
15.8,
0.9'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
07.80,
15.8,
1.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
06.91,
15.9,
0.35'
(P. Dekelver,
0.3-m
Newtonian + CCD);
06.79,
15.9,
1.6'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
03.81,
16.0,
0.38'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD);
03.81,
15.7,
1.6'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
03.80,
16.0,
1.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
03.80,
16.2,
1'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
03.80,
14.8,
1.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
01.88,
16.0,
0.35'
(P. Dekelver,
0.3-m
Newtonian + CCD);
mar
30.89,
16.0,
0.29'
(P. Dekelver,
0.3-m
Newtonian + CCD);
22.86,
16.7,
0.18'
(P. Dekelver,
0.3-m
Newtonian + CCD);
21.86,
15.8,
0.41'
(P. Dekelver,
0.3-m
Newtonian + CCD);
21.79,
16.1,
1'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
21.79,
14.9,
1'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
21.79,
16.4,
0.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
20.88,
15.6,
0.47'
(P. Dekelver,
0.3-m
Newtonian + CCD);
20.46,
15.4,
1'
(T. Yusa,
0.05-m
Refractor + CCD);
18.93,
16.2,
0.23'
(P. Dekelver,
0.3-m
Newtonian + CCD);
18.82,
15.8,
1'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
18.82,
15.5,
0.47'
(M. Meyer,
0.05-m
Refractor + CCD);
18.82,
14.9,
1.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
18.82,
15.9,
1.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
18.79,
15.4,
0.6'
(M. Šrejber,
Hvezdarna a planetarium Hradec Kralove (MPC 048),
0.25-m
Newtonian + CCD);
18.77,
15.5,
1.4'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
C/2022 QE78 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
apr
14.85,
15.5,
0.9'
(M. Meyer,
0.05-m
Refractor + CCD);
13.55,
15.4,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD);
12.48,
15.4,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD);
11.86,
15.2,
1.2'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
11.83,
15.7,
2'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
6.2'
tail in p.a. 245 deg);
11.42,
15.0,
0.5'
(C. Wyatt,
0.4-m
Newtonian);
10.93,
16.1,
1.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
4.2'
tail in p.a. 244 deg);
10.93,
15.0,
1.1'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
3.6'
tail in p.a. 247 deg);
10.93,
15.9,
0.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2.8'
tail in p.a. 247 deg);
10.85,
15.5,
0.2'
(C. Harder,
nahe Westerholz,
0.531-m
Newtonian);
08.93,
15.6,
0.47'
(P. Dekelver,
0.3-m
Newtonian + CCD;
5'
tail in p.a. 246 deg);
08.87,
14.8,
0.9'
(M. Meyer,
0.05-m
Refractor + CCD;
1.3'
tail in p.a. 250 deg);
08.51,
15.1,
0.8'
(T. Yusa,
0.05-m
Refractor + CCD);
08.02,
15.3,
2'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
1.7'
tail in p.a. 244 deg);
07.91,
16.0,
0.29'
(P. Dekelver,
0.3-m
Newtonian + CCD;
4.9'
tail in p.a. 247 deg);
07.86,
15.6,
0.35'
(C. Harder,
Jeersdorf f,
0.531-m
Newtonian);
07.83,
15.6,
1.8'
(M. Lošťák,
0.2-m
Newtonian + CCD);
07.83,
15.3,
0.8'
(M. Meyer,
0.05-m
Refractor + CCD);
07.83,
15.6,
0.7'
(M. Lošťák,
0.2-m
Newtonian + CCD);
07.83,
16.0,
0.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
3.1'
tail in p.a. 248 deg);
07.83,
14.9,
1.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
5.5'
tail in p.a. 247 deg);
07.82,
15.9,
1'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
5.3'
tail in p.a. 248 deg);
06.95,
15.6,
0.6'
(P. Dekelver,
0.3-m
Newtonian + CCD;
4.6'
tail in p.a. 246 deg);
06.81,
15.7,
2.4'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
3.7'
tail in p.a. 245 deg);
05.99,
16.3,
0.19'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD);
03.96,
15.9,
0.49'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD);
03.84,
16.3,
1'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
3.8'
tail in p.a. 245 deg);
03.84,
15.3,
1'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
3.8'
tail in p.a. 248 deg);
03.84,
15.9,
0.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
3'
tail in p.a. 245 deg);
02.90,
15.0,
1.1'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
01.94,
15.7,
0.47'
(P. Dekelver,
0.3-m
Newtonian + CCD;
4.6'
tail in p.a. 245 deg);
mar
30.95,
15.5,
0.6'
(P. Dekelver,
0.3-m
Newtonian + CCD;
2.8'
tail in p.a. 243 deg);
25.96,
15.6,
0.38'
(N. Quinn,
0.28-m
Schmidt-Cassegrain + CCD);
24.06,
15.2,
1'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
3.2'
tail in p.a. 249 deg);
24.05,
16.1,
1'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
4.1'
tail in p.a. 247 deg);
24.05,
16.3,
0.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.2'
tail in p.a. 244 deg);
23.92,
15.7,
0.35'
(P. Dekelver,
0.3-m
Newtonian + CCD;
4.6'
tail in p.a. 249 deg);
23.03,
14.7,
0.9'
(À. Bueno,
AstroGRN Trevinca,
0.12-m
Refractor + CCD);
23.02,
15.7,
1'
(M. Lošťák,
0.2-m
Newtonian + CCD);
23.02,
15.1,
1.1'
(M. Lošťák,
0.2-m
Newtonian + CCD);
22.95,
15.4,
0.6'
(P. Dekelver,
0.3-m
Newtonian + CCD;
4.3'
tail in p.a. 250 deg);
22.94,
15.0,
1'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
4.4'
tail in p.a. 248 deg);
22.94,
16.0,
0.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
3.4'
tail in p.a. 250 deg);
22.94,
16.1,
0.9'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
4.6'
tail in p.a. 248 deg);
22.64,
14.7,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD;
0.8'
tail in p.a. 246 deg);
22.51,
15.0,
0.8'
(M. Mattiazzo,
0.28-m
Schmidt reflector + CCD;
3.9'
tail in p.a. 246 deg);
21.94,
15.6,
0.41'
(P. Dekelver,
0.3-m
Newtonian + CCD;
7.2'
tail in p.a. 247 deg);
21.86,
14.1,
0.3'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
21.84,
15.2,
1'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
5.6'
tail in p.a. 248 deg);
21.83,
16.0,
1'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
5.1'
tail in p.a. 245 deg);
21.83,
16.1,
0.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
3'
tail in p.a. 244 deg);
21.64,
15.7,
0.5'
(T. Yusa,
0.05-m
Refractor + CCD);
20.97,
15.5,
0.47'
(P. Dekelver,
0.3-m
Newtonian + CCD;
8.3'
tail in p.a. 247 deg);
20.08,
15.7,
0.35'
(P. Dekelver,
0.3-m
Newtonian + CCD;
3.7'
tail in p.a. 250 deg);
19.52,
15.3,
0.9'
(T. Yusa,
0.05-m
Refractor + CCD;
0.5'
tail in p.a. 252 deg);
19.50,
15.0,
0.8'
(M. Mattiazzo,
0.28-m
Schmidt reflector + CCD;
4.8'
tail in p.a. 245 deg);
19.11,
15.3,
0.6'
(P. Dekelver,
0.3-m
Newtonian + CCD;
3.7'
tail in p.a. 251 deg);
19.05,
15.4,
2.4'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
4.8'
tail in p.a. 249 deg);
18.95,
15.0,
1'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
4.1'
tail in p.a. 247 deg);
18.95,
15.8,
0.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2.8'
tail in p.a. 244 deg);
18.95,
16.0,
1'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
4.9'
tail in p.a. 249 deg);
18.85,
14.8,
0.3'
(C. Harder,
Lild Strand /DK,
0.35-m
Newtonian);
18.83,
15.4,
2.4'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
6.4'
tail in p.a. 243 deg);
18.77,
14.4,
0.25'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
17.84,
14.8,
1'
(M. Paling,
Appledorne Observatory, Farnsfield (MPC Z11),
0.12-m
Refractor + CCD);
17.52,
15.1,
0.9'
(T. Yusa,
0.05-m
Refractor + CCD;
0.7'
tail in p.a. 261 deg);
16.84,
14.5,
0.25'
(C. Harder,
Lild Strand /DK,
0.35-m
Newtonian);
16.82,
14.8,
1.5'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
16.52,
14.7,
0.9'
(T. Yusa,
0.05-m
Refractor + CCD);
C/2022 R6 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
apr
11.82,
17.0,
0.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
08.95,
16.5,
0.47'
(P. Dekelver,
0.3-m
Newtonian + CCD);
08.91,
16.4,
0.4'
(E. Bryssinck,
0.4-m
Newtonian + CCD);
08.53,
17.1,
0.5'
(T. Yusa,
0.05-m
Refractor + CCD);
07.94,
16.9,
0.29'
(P. Dekelver,
0.3-m
Newtonian + CCD);
07.85,
17.0,
0.4'
(M. Meyer,
0.05-m
Refractor + CCD);
07.83,
17.4,
0.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
06.93,
16.8,
0.41'
(P. Dekelver,
0.3-m
Newtonian + CCD);
03.92,
18.4,
0.49'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD);
03.83,
16.9,
0.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
02.88,
16.7,
0.6'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
01.92,
17.0,
0.29'
(P. Dekelver,
0.3-m
Newtonian + CCD);
mar
30.93,
17.1,
0.23'
(P. Dekelver,
0.3-m
Newtonian + CCD);
25.57,
16.4,
0.5'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
24.53,
16.6,
0.5'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
23.90,
17.4,
0.18'
(P. Dekelver,
0.3-m
Newtonian + CCD);
22.92,
16.0,
0.42'
(À. Bueno,
AstroGRN Trevinca,
0.12-m
Refractor + CCD);
22.91,
16.8,
0.29'
(P. Dekelver,
0.3-m
Newtonian + CCD);
22.53,
16.5,
0.6'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
22.50,
16.7,
0.6'
(M. Mattiazzo,
0.28-m
Schmidt reflector + CCD);
21.90,
17.3,
0.18'
(P. Dekelver,
0.3-m
Newtonian + CCD);
21.82,
16.5,
0.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
21.54,
16.3,
0.6'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
20.93,
16.9,
0.18'
(P. Dekelver,
0.3-m
Newtonian + CCD);
20.57,
16.5,
0.6'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
19.99,
16.6,
0.29'
(P. Dekelver,
0.3-m
Newtonian + CCD);
19.56,
16.5,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD);
19.49,
16.4,
0.6'
(M. Mattiazzo,
0.28-m
Schmidt reflector + CCD);
18.52,
16.3,
0.6'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
0.9'
tail in p.a. 237 deg);
17.50,
16.5,
0.6'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
0.9'
tail in p.a. 237 deg);
17.10,
16.3,
0.4'
(T. Yusa,
0.05-m
Refractor + CCD);
16.60,
16.2,
0.5'
(T. Yusa,
0.05-m
Refractor + CCD);
16.50,
16.4,
0.6'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
C/2023 C2 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
apr
12.09,
17.5,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
07.12,
17.3,
0.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
mar
21.80,
16.7,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
18.91,
17.2,
0.24'
(P. Dekelver,
0.3-m
Newtonian + CCD);
C/2023 F3 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
apr
09.82,
18.0,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
06.84,
18.2,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
mar
25.54,
16.8,
0.5'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
21.97,
17.7,
0.23'
(P. Dekelver,
0.3-m
Newtonian + CCD);
20.99,
17.9,
0.18'
(P. Dekelver,
0.3-m
Newtonian + CCD);
C/2023 H5 (Lemmon)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
apr
11.85,
18.2,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
07.11,
18.4,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
mar
24.11,
18.7,
0.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
C/2023 R1 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
apr
12.08,
13.6,
1'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
12.07,
14.9,
0.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
12.07,
14.5,
0.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
11.08,
14.2,
0.45'
(C. Harder,
Jeersdorf f,
0.531-m
Newtonian);
09.08,
15.4,
0.24'
(P. Dekelver,
0.3-m
Newtonian + CCD);
08.75,
14.6,
0.9'
(T. Yusa,
0.05-m
Refractor + CCD);
08.08,
14.9,
0.29'
(P. Dekelver,
0.3-m
Newtonian + CCD);
08.07,
15.3,
1.4'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
07.10,
13.9,
0.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
07.10,
15.1,
0.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
07.10,
14.9,
0.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
07.08,
14.6,
0.47'
(P. Dekelver,
0.3-m
Newtonian + CCD);
02.11,
14.8,
0.5'
(P. Dekelver,
0.3-m
Newtonian + CCD);
mar
31.12,
14.8,
0.35'
(P. Dekelver,
0.3-m
Newtonian + CCD);
24.12,
15.3,
0.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
21.14,
15.3,
0.24'
(P. Dekelver,
0.3-m
Newtonian + CCD);
20.83,
14.7,
0.5'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
18.84,
14.9,
0.5'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
17.84,
14.8,
0.5'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
16.84,
14.9,
0.5'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
C/2023 X2 (Lemmon)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
apr
11.85,
19.2,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
C/2024 A1 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
apr
09.82,
18.1,
0.6'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
06.80,
18.1,
0.6'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
05.91,
18.7,
0.11'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD);
03.86,
18.6,
0.38'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD);
mar
21.87,
17.8,
0.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
19.07,
17.3,
0.47'
(P. Dekelver,
0.3-m
Newtonian + CCD);
C/2024 E1 (Wierzchos)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
apr
11.82,
12.9,
10'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
11.80,
12.4,
6'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
5.4'
tail in p.a. 154 deg);
11.79,
13.9,
3.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
11.79,
14.2,
5.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
5.9'
tail in p.a. 159 deg);
10.86,
13.0,
1'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
5'
tail in p.a. 166 deg);
09.86,
14.5,
0.8'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
4'
tail in p.a. 169 deg);
09.81,
13.4,
4.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
09.81,
11.3,
8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
3.2'
tail in p.a. 154 deg);
09.80,
13.2,
6.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
4.1'
tail in p.a. 156 deg);
08.84,
14.2,
1.4'
(P. Dekelver,
0.3-m
Newtonian + CCD);
07.82,
14.0,
1.5'
(P. Dekelver,
0.3-m
Newtonian + CCD);
07.79,
12.4,
6'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.9'
tail in p.a. 154 deg);
07.79,
12.6,
8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
4'
tail in p.a. 145 deg);
07.79,
10.8,
9.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
3.1'
tail in p.a. 146 deg);
06.82,
14.0,
1.4'
(P. Dekelver,
0.3-m
Newtonian + CCD);
06.79,
11.5,
6.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
5.7'
tail in p.a. 145 deg);
06.78,
14.2,
2.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
06.78,
13.9,
5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
5.9'
tail in p.a. 143 deg);
06.77,
12.7,
7.2'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
05.83,
13.6,
1'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
3'
tail in p.a. 151 deg);
04.85,
12.2,
1'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
03.84,
18.8,
0.24'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD);
03.79,
12.6,
4.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
3.2'
tail in p.a. 156 deg);
03.79,
10.5,
10'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
8.8'
tail in p.a. 156 deg);
03.78,
13.1,
7.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
10.7'
tail in p.a. 158 deg);
03.78,
13.1,
8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
02.86,
13.0,
2.6'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
02.83,
14.6,
0.8'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
3'
tail in p.a. 150 deg);
01.82,
14.3,
1'
(P. Dekelver,
0.3-m
Newtonian + CCD);
01.80,
13.5,
1.5'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD;
1.8'
tail in p.a. 152 deg);
mar
31.82,
13.6,
0.8'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
2.6'
tail in p.a. 150 deg);
30.87,
14.6,
0.5'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
5'
tail in p.a. 158 deg);
30.84,
13.7,
1.4'
(P. Dekelver,
0.3-m
Newtonian + CCD);
30.79,
12.2,
5'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
29.84,
13.1,
1.1'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
4'
tail in p.a. 149 deg);
27.79,
12.4,
3'
(H. Kiiskinen,
0.4-m
Ritchey-Chretien + CCD);
26.91,
13.7,
1.3'
(W. Souza,
0.05-m
Refractor + CCD);
26.04,
13.0,
2.1'
(M. Mašek,
Malargue,
0.107-m
Camera lens + CCD);
26.03,
12.5,
2.1'
(M. Mašek,
Malargue,
0.107-m
Camera lens + CCD;
2.9'
tail in p.a. 134 deg);
24.49,
13.2,
1.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
2.2'
tail in p.a. 144 deg);
24.42,
13.0,
1'
(T. Yusa,
0.05-m
Refractor + CCD);
23.05,
12.7,
2.8'
(M. Mašek,
Paranal,
0.067-m
Camera lens + CCD;
2.6'
tail in p.a. 136 deg);
23.04,
12.3,
2.8'
(M. Mašek,
Paranal,
0.067-m
Camera lens + CCD;
3'
tail in p.a. 144 deg);
22.92,
11.7,
1'
(J. de Souza Aguiar,
0.3-m
Newtonian);
22.84,
12.7,
1'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
11'
tail in p.a. 163 deg);
22.84,
12.6,
1.4'
(R. Arnold,
Trevinca, Spain,
0.303-m
Newtonian + CCD);
22.81,
9.8,
--
(M. Deconinck,
Mariembourg Belgium,
25x130
Binoculars);
22.80,
13.3,
1.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
22.79,
13.5,
1.2'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD;
4'
tail in p.a. 156 deg);
22.78,
9.2,
11.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
16'
tail in p.a. 149 deg);
22.77,
11.9,
6.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
9.2'
tail in p.a. 151 deg);
22.77,
12.3,
8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
18.4'
tail in p.a. 148 deg);
22.50,
12.8,
2'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
3.1'
tail in p.a. 143 deg);
22.43,
12.1,
1.6'
(T. Yusa,
0.05-m
Refractor + CCD);
22.40,
11.6,
3'
(C. Wyatt,
0.25-m
Newtonian);
22.13,
12.2,
2.4'
(M. Olason,
Arizona,
0.05-m
Refractor + CCD;
9'
tail in p.a. 163 deg);
21.92,
11.4,
1'
(J. de Souza Aguiar,
0.3-m
Newtonian);
21.80,
13.5,
1.1'
(P. Dekelver,
0.3-m
Newtonian + CCD);
21.78,
13.0,
1.5'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD;
3.6'
tail in p.a. 148 deg);
21.77,
10.6,
11.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
10.4'
tail in p.a. 154 deg);
21.77,
8.9,
12.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
15.8'
tail in p.a. 155 deg);
21.76,
11.2,
10'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
17.2'
tail in p.a. 151 deg);
21.50,
12.1,
2'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
2.4'
tail in p.a. 137 deg);
21.46,
13.1,
1.5'
(K. Yoshimoto,
0.077-m
Refractor + CCD;
12'
tail in p.a. 150 deg);
20.82,
13.2,
1.6'
(P. Dekelver,
0.3-m
Newtonian + CCD;
8.8'
tail in p.a. 142 deg);
20.78,
13.2,
1.2'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD;
2.6'
tail in p.a. 147 deg);
20.43,
11.8,
2.1'
(T. Yusa,
0.05-m
Refractor + CCD;
2.7'
tail in p.a. 156 deg);
19.87,
9.8,
5'
(J. Gonzalez Suarez,
0.102-m
Maksutov);
19.78,
12.9,
1.1'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.05-m
Refractor + CCD;
3'
tail in p.a. 133 deg);
19.77,
12.2,
3'
(H. Kiiskinen,
0.4-m
Ritchey-Chretien + CCD;
3.8'
tail in p.a. 152 deg);
19.10,
12.3,
2.1'
(S. Aguirre,
Real del Molinito, Son.,
0.05-m
Refractor + CCD;
0.8'
tail in p.a. 164 deg);
18.85,
12.2,
1.7'
(W. Kutschera,
0.508-m
Newtonian);
18.82,
11.5,
2.5'
(C. Harder,
Lild Strand /DK,
0.35-m
Newtonian);
18.81,
11.7,
1.4'
(M. Meyer,
0.05-m
Refractor + CCD);
18.79,
11.1,
6.1'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.22° tail in p.a. 153 deg);
18.78,
11.9,
8.06'
(J. Konecny,
Medlov - Hlivice,
0.2-m
Cassegrain reflector);
18.77,
10.5,
10'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
11.4'
tail in p.a. 146 deg);
18.77,
9.5,
11.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
18.5'
tail in p.a. 144 deg);
18.76,
12.1,
8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
2.6'
tail in p.a. 123 deg);
18.76,
11.8,
9.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
22.3'
tail in p.a. 147 deg);
18.76,
11.3,
1.7'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
18.52,
12.0,
2.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
5.6'
tail in p.a. 144 deg);
18.13,
12.3,
2.5'
(M. Olason,
Arizona,
0.05-m
Refractor + CCD;
5'
tail in p.a. 148 deg);
17.94,
12.3,
--
(C. Howland,
Price, Utah,
0.318-m
Newtonian);
17.92,
10.6,
1'
(J. de Souza Aguiar,
0.3-m
Newtonian);
17.82,
13.3,
1.2'
(P. Dekelver,
0.3-m
Newtonian + CCD);
17.51,
11.9,
2.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
4.2'
tail in p.a. 145 deg);
17.45,
11.7,
2.5'
(T. Yusa,
0.05-m
Refractor + CCD);
17.07,
11.6,
4.6'
(M. Mašek,
Paranal,
0.067-m
Camera lens + CCD;
7.3'
tail in p.a. 144 deg);
17.06,
11.3,
4.1'
(M. Mašek,
Paranal,
0.067-m
Camera lens + CCD;
9.2'
tail in p.a. 145 deg);
16.91,
10.4,
1'
(J. de Souza Aguiar,
0.3-m
Newtonian);
16.85,
9.8,
5'
(J. Gonzalez Suarez,
0.102-m
Maksutov);
16.82,
11.0,
2.7'
(C. Harder,
Lild Strand /DK,
0.35-m
Newtonian);
16.78,
12.8,
1.4'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.05-m
Refractor + CCD;
3.6'
tail in p.a. 137 deg);
16.43,
11.5,
3.2'
(T. Yusa,
0.05-m
Refractor + CCD;
11.6'
tail in p.a. 157 deg);
C/2024 G2 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
apr
07.84,
19.1,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.5'
tail in p.a. 170 deg);
mar
21.86,
18.6,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.7'
tail in p.a. 170 deg);
C/2024 G6 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
apr
12.05,
17.8,
0.6'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.4'
tail in p.a. 179 deg);
09.03,
16.7,
0.3'
(E. Bryssinck,
0.4-m
Newtonian + CCD);
09.02,
17.6,
0.24'
(P. Dekelver,
0.3-m
Newtonian + CCD);
07.05,
17.5,
0.24'
(P. Dekelver,
0.3-m
Newtonian + CCD);
06.09,
17.2,
0.29'
(P. Dekelver,
0.3-m
Newtonian + CCD);
02.01,
17.6,
0.24'
(P. Dekelver,
0.3-m
Newtonian + CCD);
mar
31.02,
17.7,
0.24'
(P. Dekelver,
0.3-m
Newtonian + CCD);
27.21,
17.6,
0.23'
(R. Hill,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
24.08,
18.0,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.4'
tail in p.a. 187 deg);
23.02,
17.2,
0.24'
(P. Dekelver,
0.3-m
Newtonian + CCD);
22.02,
17.8,
0.24'
(P. Dekelver,
0.3-m
Newtonian + CCD);
21.04,
17.7,
0.24'
(P. Dekelver,
0.3-m
Newtonian + CCD);
20.04,
17.7,
0.24'
(P. Dekelver,
0.3-m
Newtonian + CCD);
C/2024 J3 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
apr
13.84,
14.6,
0.8'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
13.74,
15.1,
0.8'
(T. Yusa,
0.05-m
Refractor + CCD);
12.09,
15.3,
0.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
12.09,
14.4,
1.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
12.08,
15.7,
1'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
11.06,
15.8,
0.25'
(C. Harder,
Jeersdorf f,
0.531-m
Newtonian);
09.10,
15.7,
0.24'
(P. Dekelver,
0.3-m
Newtonian + CCD);
09.07,
14.5,
0.6'
(E. Bryssinck,
0.4-m
Newtonian + CCD);
08.09,
15.0,
1.1'
(M. Lošťák,
0.2-m
Newtonian + CCD);
08.08,
15.1,
1.6'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
07.09,
15.7,
0.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
07.09,
14.8,
0.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
07.08,
15.8,
0.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
07.07,
15.8,
0.24'
(P. Dekelver,
0.3-m
Newtonian + CCD);
mar
31.08,
15.9,
0.24'
(P. Dekelver,
0.3-m
Newtonian + CCD);
24.12,
15.8,
0.6'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
23.78,
15.2,
0.3'
(T. Yusa,
0.05-m
Refractor + CCD);
21.78,
15.3,
0.3'
(T. Yusa,
0.05-m
Refractor + CCD);
21.12,
15.4,
0.29'
(P. Dekelver,
0.3-m
Newtonian + CCD);
20.17,
15.6,
0.29'
(P. Dekelver,
0.3-m
Newtonian + CCD);
17.80,
15.0,
0.48'
(T. Yusa,
0.05-m
Refractor + CCD);
C/2024 L5 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
apr
07.86,
19.1,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
C/2024 R4 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
apr
12.11,
16.1,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
12.11,
16.9,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
12.10,
16.9,
0.6'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
09.12,
16.3,
0.24'
(P. Dekelver,
0.3-m
Newtonian + CCD);
08.10,
16.3,
0.29'
(P. Dekelver,
0.3-m
Newtonian + CCD);
02.09,
16.5,
0.24'
(P. Dekelver,
0.3-m
Newtonian + CCD);
mar
31.10,
16.4,
0.24'
(P. Dekelver,
0.3-m
Newtonian + CCD);
21.16,
16.5,
0.29'
(P. Dekelver,
0.3-m
Newtonian + CCD);
19.15,
16.5,
0.29'
(P. Dekelver,
0.3-m
Newtonian + CCD);
C/2024 T5 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
mar
24.49,
14.7,
0.5'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
22.49,
14.9,
0.5'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
0.8'
tail in p.a. 202 deg);
22.45,
14.8,
0.6'
(M. Mattiazzo,
0.28-m
Schmidt reflector + CCD;
1.3'
tail in p.a. 207 deg);
21.50,
14.8,
0.5'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
0.9'
tail in p.a. 207 deg);
16.52,
14.9,
0.5'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
0.9'
tail in p.a. 209 deg);
C/2025 A6 (Lemmon)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
mar
24.69,
13.9,
1'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
22.56,
12.1,
2'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
21.68,
12.0,
2'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
21.67,
12.3,
0.8'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
21.30,
11.6,
1'
(J. de Souza Aguiar,
0.3-m
Newtonian);
20.63,
12.3,
2'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
18.69,
12.3,
1.8'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
18.55,
12.5,
2'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
17.69,
12.0,
2'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
17.30,
11.4,
1'
(J. de Souza Aguiar,
0.3-m
Newtonian);
16.69,
12.5,
2'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
C/2025 J1 (Borisov)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
apr
06.80,
18.0,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.4'
tail in p.a. 33 deg);
05.84,
18.1,
0.11'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD);
mar
21.86,
18.1,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.2'
tail in p.a. 42 deg);
18.99,
17.6,
0.23'
(P. Dekelver,
0.3-m
Newtonian + CCD);
18.83,
18.4,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.2'
tail in p.a. 41 deg);
18.82,
17.4,
0.4'
(M. Paling,
Appledorne Observatory, Farnsfield (MPC Z11),
0.12-m
Refractor + CCD);
17.95,
17.2,
0.5'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.4'
tail in p.a. 28 deg);
17.88,
17.7,
0.18'
(P. Dekelver,
0.3-m
Newtonian + CCD);
C/2025 L1 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
apr
11.86,
16.8,
1.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
08.59,
17.3,
1.6'
(T. Yusa,
0.05-m
Refractor + CCD);
06.86,
16.6,
1.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
05.99,
16.0,
1'
(R. Arnold,
Skye, Scotland,
0.2-m
Schmidt-Cassegrain + CCD);
mar
24.09,
17.4,
1.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
22.98,
16.9,
1.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
18.03,
[17.0,
1.4'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD);
C/2025 N1 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
apr
13.89,
19.9,
0.09'
(N. Barnes,
PAT,
0.3-m
Newtonian + CCD);
mar
19.83,
19.1,
0.17'
(N. Barnes,
PAT,
0.3-m
Newtonian + CCD;
0.2'
tail in p.a. 80 deg);
17.88,
18.9,
0.17'
(N. Barnes,
PAT,
0.3-m
Newtonian + CCD);
C/2025 Q3 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
mar
22.44,
15.2,
1'
(M. Mattiazzo,
0.28-m
Schmidt reflector + CCD);
C/2025 R3 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
apr
15.11,
5.3,
6.6'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD;
1° tail in p.a. 289 deg);
15.11,
4.9,
3'
(U. Pilz,
16x70
Binoculars;
7° tail in p.a. 280 deg);
15.11,
4.8,
3'
(M. Deconinck,
Fernelmont,
25x130
Binoculars;
30'
tail in p.a. 290 deg);
14.19,
4.6,
4'
(M. Hamidi,
Erfoud , Morocco,
10x50
Binoculars;
2° tail);
14.16,
5.2,
6.02'
(N. James,
0.072-m
Refractor + CCD);
14.16,
4.7,
7'
(J. Trigo-Rodríguez,
Montseny Astronomical Observatory B06,
0.05-m
"small telescopes and finders" with aperture not exceeding 4 inches + CCD;
2° tail in p.a. 281 deg);
14.15,
4.8,
--
(S. Brown,
North Yorkshire, UK,
8x40
Binoculars);
14.14,
5.1,
5'
(V. Gonano,
Udine, Italy,
20x80
Binoculars;
4° tail in p.a. 281 deg);
14.13,
5.3,
12'
(M. Collins,
Everton,
10x40
Binoculars);
14.08,
5.1,
4'
(N. Virnina,
Odesa, Ukraine,
20x50
Binoculars);
14.06,
5.0,
4'
(K. Alburaidi,
Bukayriyah , Al-Qassim,
10x50
Binoculars;
30'
tail in p.a. 280 deg);
13.90,
5.2,
8'
(T. Thaluang,
SSTAC, Pak Chong (MPC O58),
0.26-m
Newtonian + CCD);
13.22,
4.9,
8'
(J. Cerny,
0.001-m
Naked eye;
4° tail in p.a. 284 deg);
13.22,
5.0,
8'
(J. Cerny,
7x50
Binoculars;
6.2° tail in p.a. 284 deg);
13.13,
5.2,
12'
(M. Collins,
Everton,
10x40
Binoculars);
13.11,
<5.0,
4'
(A. Tuznik,
Ożarów, Polska,
Nonex50
Binoculars;
1.5° tail);
13.10,
5.1,
4'
(P. Guzik,
10x42.0
Binoculars;
0.4° tail in p.a. 285 deg);
12.90,
5.2,
9.2'
(T. Thaluang,
SSTAC, Pak Chong (MPC O58),
0.26-m
Newtonian + CCD);
12.79,
5.5,
6.4'
(T. Yusa,
0.05-m
Refractor + CCD;
0.4° tail in p.a. 291 deg);
12.49,
5.7,
10'
(J. Chambó Bris,
Utah Desert Observatory, USA,
0.106-m
Refractor + CCD;
3.5° tail in p.a. 285 deg);
12.49,
5.5,
8.4'
(C. Hergenrother,
Tanque Verde,
0.03-m
Refractor + CCD;
3.15° tail in p.a. 286 deg);
12.49,
6.4,
6.1'
(C. Hergenrother,
Tanque Verde,
0.03-m
Refractor + CCD;
3.24° tail in p.a. 286 deg);
12.49,
5.3,
5'
(C. Hergenrother,
10x50
Binoculars;
2.5° tail in p.a. 285 deg);
12.47,
5.3,
10'
(M. Olason,
Arizona,
0.03-m
Refractor + CCD;
5° tail in p.a. 285 deg);
12.47,
5.4,
7.5'
(M. Olason,
Arizona,
0.03-m
Refractor + CCD;
5° tail in p.a. 285 deg);
12.21,
4.4,
4'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
32'
tail in p.a. 286 deg);
12.18,
4.7,
8'
(M. Reszelski,
Szamotuly, Poland,
15x70
Binoculars;
0.5° tail);
12.16,
5.5,
6.02'
(N. James,
0.051-m
Refractor + CCD);
12.16,
4.4,
4.3'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD;
0.6° tail in p.a. 287 deg);
12.15,
5.1,
3.3'
(T. Sciezor,
Cracow,
0.03-m
Camera lens + CCD;
1.9° tail in p.a. 285 deg);
12.13,
<5.3,
4'
(A. Tuznik,
Ożarów, Polska,
Nonex50
Binoculars;
1° tail);
12.12,
5.8,
11.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
3.5° tail in p.a. 287 deg);
12.11,
5.4,
--
(Ł. Sanocki,
Kryspinów, Poland,
10x50
Binoculars);
12.11,
6.1,
8.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
3.8° tail in p.a. 287 deg);
12.11,
4.9,
7.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
3.6° tail in p.a. 287 deg);
12.10,
5.2,
3'
(M. Kwinta,
15x70
Binoculars;
25'
tail in p.a. 288 deg);
12.10,
5.5,
3'
(M. Filipek,
Jerzmanowice,
7x50
Binoculars;
15'
tail in p.a. 285 deg);
12.09,
5.1,
3'
(E. Banach,
12x60
Binoculars;
0.2° tail in p.a. 290 deg);
12.09,
5.0,
5'
(P. Guzik,
Naked eye);
12.08,
5.0,
4'
(P. Guzik,
10x42.0
Binoculars;
2.5° tail in p.a. 290 deg);
11.50,
5.4,
9.1'
(C. Hergenrother,
0.03-m
Refractor + CCD;
2.94° tail in p.a. 286 deg);
11.23,
5.1,
8'
(J. Cerny,
0.001-m
Naked eye);
11.23,
5.4,
7.1'
(M. Mašek,
0.07-m
Refractor;
1.3° tail in p.a. 288 deg);
11.23,
5.3,
8'
(J. Cerny,
7x50
Binoculars;
3.5° tail in p.a. 289 deg);
11.12,
5.6,
6.5'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.03-m
Refractor + CCD;
97.4'
tail in p.a. 290 deg);
11.09,
5.2,
4'
(P. Guzik,
10x42.0
Binoculars;
1° tail in p.a. 290 deg);
11.09,
5.5,
4'
(C. Harder,
Jeersdorf f,
15x70
Binoculars);
10.90,
5.7,
6.9'
(T. Thaluang,
MPC-O58,
0.26-m
Newtonian + CCD);
10.42,
5.2,
1'
(V. Italo,
Warm Springs, GA,
10x40
Binoculars);
10.19,
4.8,
8'
(M. Reszelski,
Szamotuly, Poland,
15x70
Binoculars;
0.5° tail);
10.16,
5.1,
3'
(V. Gonano,
Udine, Italy,
20x80
Binoculars);
10.14,
6.6,
5'
(D. Buczynski,
Tarbatness Observatory, Portmahomack,
0.35-m
Schmidt-Cassegrain + CCD);
10.11,
5.1,
4'
(B. Granslo,
Bjerke, Oslo, Norway,
10x42.0
Binoculars);
10.09,
5.5,
2'
(M. Biely,
20x80
Binoculars;
0.4° tail in p.a. 270 deg);
09.50,
5.9,
7.5'
(M. Olason,
Arizona,
0.03-m
Refractor + CCD;
3.3° tail in p.a. 291 deg);
09.19,
4.9,
8'
(M. Reszelski,
Szamotuly, Poland,
15x70
Binoculars;
0.4° tail);
09.14,
6.9,
6'
(E. Bryssinck,
0.4-m
Newtonian + CCD;
21.9'
tail in p.a. 290 deg);
09.14,
5.4,
2.5'
(A. Kammerer,
Karlsruhe, Germany,
0.125-m
Schmidt-Cassegrain;
0.2° tail in p.a. 295 deg);
08.90,
5.7,
6.6'
(T. Thaluang,
MPC-O58,
0.26-m
Newtonian + CCD);
08.79,
5.6,
2.8'
(O. Miyazaki,
18x50
Binoculars;
1° tail in p.a. 290 deg);
08.79,
6.0,
6'
(T. Yusa,
0.05-m
Refractor + CCD;
0.6° tail in p.a. 291 deg);
08.19,
5.2,
8'
(M. Reszelski,
Jastrowo, Poland,
15x70
Binoculars);
08.18,
5.5,
5'
(J. Trigo-Rodríguez,
Montseny Astronomical Observatory B06,
0.05-m
"small telescopes" with aperture in range 4-10 inches + CCD;
1.1° tail in p.a. 290 deg);
08.15,
7.1,
4.8'
(E. Bryssinck,
0.4-m
Newtonian + CCD;
22.3'
tail in p.a. 292 deg);
08.15,
5.6,
4'
(G. van Buitenen,
Dordrecht, Sterrenburg (G06),
8x42.0
Binoculars);
08.15,
5.6,
3'
(M. Deconinck,
Fernelmont,
10x50
Binoculars);
08.14,
5.6,
2'
(A. Kammerer,
Karlsruhe, Germany,
0.125-m
Schmidt-Cassegrain;
0.3° tail in p.a. 292 deg);
08.14,
5.4,
3'
(M. Deconinck,
Fernelmont,
0.1-m
Refractor;
6'
tail in p.a. 330 deg);
08.14,
5.6,
4'
(V. Gonano,
Udine, Italy,
20x80
Binoculars);
08.13,
5.9,
4.6'
(M. Collins,
Everton,
0.103-m
Refractor;
13'
tail in p.a. 279 deg);
08.13,
6.3,
7.3'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD;
1.22° tail in p.a. 291 deg);
08.13,
7.2,
5.9'
(M. Lošťák,
0.2-m
Newtonian + CCD);
08.13,
6.1,
5.3'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.03-m
Refractor + CCD;
66.2'
tail in p.a. 290 deg);
08.12,
5.7,
2.9'
(V. Kasten,
15x50
Binoculars);
08.12,
5.9,
4'
(A. Scholten,
Eerbeek,
8x56.0
Binoculars);
08.11,
5.6,
4'
(M. Buechner,
München, Germany,
27x120
Binoculars;
1° tail in p.a. 290 deg);
08.10,
5.5,
4'
(B. Granslo,
Bjerke, Oslo, Norway,
10x42.0
Binoculars);
08.10,
7.0,
12'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
10.5'
tail in p.a. 292 deg);
08.00,
6.3,
7.3'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD;
1.22° tail in p.a. 291 deg);
07.90,
7.5,
5.5'
(T. Thaluang,
MPC-O58, Pak Chong, Thailand,
0.26-m
Newtonian + CCD;
19.8'
tail in p.a. 290 deg);
07.82,
5.6,
--
(K. Yoshimoto,
8x42.0
Binoculars);
07.81,
7.1,
5.8'
(K. Yoshimoto,
0.065-m
Camera lens + CCD);
07.81,
6.7,
5.8'
(K. Yoshimoto,
0.065-m
Camera lens + CCD);
07.81,
6.1,
5.8'
(K. Yoshimoto,
0.065-m
Camera lens + CCD;
5° tail in p.a. 290 deg);
07.80,
5.7,
3'
(Y. Nagai,
20x100
Binoculars;
0.5° tail in p.a. 285 deg);
07.79,
5.5,
--
(R. Aikawa,
7x50
Binoculars);
07.23,
11.5,
0.2'
(L. Bracero,
Ponce Puerto Rico,
0.03-m
Camera lens + CCD;
0.5° tail in p.a. 250 deg);
07.18,
5.0,
2.4'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD;
0.9° tail in p.a. 290 deg);
07.17,
5.7,
5'
(J. Trigo-Rodríguez,
Montseny Astronomical Observatory B06,
0.05-m
"small telescopes" with aperture in range 4-10 inches + CCD;
50'
tail in p.a. 290 deg);
07.17,
5.5,
7'
(T. Sciezor,
Cracow,
10x50
Binoculars);
07.16,
5.6,
3.5'
(T. Sciezor,
Cracow,
0.03-m
Camera lens + CCD;
2° tail in p.a. 292 deg);
07.16,
6.8,
5.4'
(P. Dekelver,
0.3-m
Newtonian + CCD;
27.8'
tail in p.a. 290 deg);
07.15,
5.8,
4'
(G. van Buitenen,
Dordrecht, Sterrenburg (G06),
8x42.0
Binoculars);
07.14,
6.1,
3.5'
(M. Collins,
Everton,
0.103-m
Refractor;
6'
tail in p.a. 291 deg);
07.13,
6.6,
6'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1° tail in p.a. 290 deg);
07.12,
6.8,
5.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.7° tail in p.a. 291 deg);
07.12,
5.8,
6.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1° tail in p.a. 293 deg);
07.12,
6.8,
6.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.2° tail in p.a. 291 deg);
07.12,
5.9,
4'
(A. Scholten,
Eerbeek,
8x56.0
Binoculars);
07.12,
5.8,
3.5'
(M. Kwinta,
15x70
Binoculars;
35'
tail in p.a. 290 deg);
07.11,
5.8,
2'
(U. Pilz,
16x70
Binoculars;
0.07° tail in p.a. 280 deg);
07.11,
5.8,
4'
(B. Granslo,
Breisjoen, Lillomarka, Oslo, Norway,
10x42.0
Binoculars);
07.11,
5.9,
3.5'
(C. Harder,
Jeersdorf h,
15x70
Binoculars);
07.10,
5.8,
4'
(P. Guzik,
10x42.0
Binoculars;
0.6° tail in p.a. 290 deg);
06.76,
11.5,
--
(L. Bracero,
Ponce Puerto Rico,
0.03-m
Camera lens + CCD;
0.5° tail in p.a. 250 deg);
06.15,
6.0,
3'
(V. Gonano,
Udine, Italy,
20x80
Binoculars);
06.15,
6.7,
6.7'
(P. Dekelver,
0.3-m
Newtonian + CCD;
27'
tail in p.a. 293 deg);
06.13,
6.0,
4'
(A. Scholten,
Eerbeek,
8x56.0
Binoculars);
06.11,
6.1,
3'
(C. Harder,
Jeersdorf f,
0.252-m
Newtonian;
11'
tail in p.a. 300 deg);
05.81,
6.1,
4.9'
(K. Yoshimoto,
0.065-m
Camera lens + CCD;
3° tail in p.a. 290 deg);
05.44,
6.0,
2'
(D. Zubenel,
De Soto, Kansas.,
0.15-m
Newtonian);
05.34,
6.0,
3'
(W. Souza,
10x42.0
Binoculars);
05.18,
6.6,
2.3'
(T. Sciezor,
Cracow,
0.03-m
Camera lens + CCD;
1.1° tail in p.a. 291 deg);
05.18,
6.2,
2.5'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD;
0.6° tail in p.a. 291 deg);
05.17,
6.0,
4'
(C. Labordena,
La Serratella,
11x80
Binoculars;
20'
tail);
05.17,
8.1,
1.3'
(À. Bueno,
AstroGRN Trevinca,
0.12-m
Refractor + CCD);
05.12,
6.0,
6'
(M. Paradowski,
Lublin,
0.075-m
Refractor + CCD);
05.12,
6.0,
4.5'
(M. Paradowski,
Lublin,
0.075-m
Refractor + CCD);
05.11,
6.3,
3'
(M. Kwinta,
15x70
Binoculars);
04.34,
6.1,
2.5'
(M. Goiato,
20x100
Binoculars;
0.5° tail in p.a. 280 deg);
04.19,
5.9,
5'
(J. Trigo-Rodríguez,
Montseny Astronomical Observatory B06,
0.05-m
"small telescopes" with aperture in range 4-10 inches + CCD;
30'
tail in p.a. 280 deg);
04.17,
6.1,
4'
(J. Gonzalez Suarez,
Collada de Aralla, 1530 m, Spain,
0.102-m
Maksutov;
0.4° tail in p.a. 300 deg);
04.16,
5.9,
3'
(J. Gonzalez Suarez,
15x70
Binoculars);
04.14,
6.3,
2'
(M. Collins,
Everton,
0.103-m
Refractor;
4'
tail in p.a. 274 deg);
04.14,
6.5,
5'
(V. Gonano,
Udine, Italy,
20x80
Binoculars;
0.5° tail in p.a. 278 deg);
04.12,
6.6,
3.5'
(M. Filipek,
Jerzmanowice,
0.25-m
Newtonian);
04.10,
6.3,
5'
(P. Guzik,
10x42.0
Binoculars);
03.17,
5.9,
5.7'
(J. Chambó Bris,
Valles, Valencia, Spain,
0.2-m
Newtonian + CCD;
1.1° tail in p.a. 291 deg);
02.80,
6.8,
3'
(Y. Nagai,
0.044-m
Camera lens + CCD;
0.1° tail in p.a. 290 deg);
02.19,
6.5,
7'
(M. Reszelski,
15x70
Binoculars);
02.19,
6.5,
7'
(M. Reszelski,
Jastrowo, Poland,
15x70
Binoculars);
02.15,
7.2,
5.1'
(P. Dekelver,
0.3-m
Newtonian + CCD;
26.3'
tail in p.a. 293 deg);
01.83,
6.5,
4.7'
(K. Yoshimoto,
0.065-m
Camera lens + CCD;
1.5° tail in p.a. 292 deg);
01.15,
7.0,
4'
(V. Gonano,
Udine, Italy,
20x80
Binoculars);
01.08,
6.3,
2.5'
(T. Karhula,
Virsbo, Sweden,
10x50
Binoculars);
mar
31.20,
7.0,
3'
(V. Díaz,
20x80
Binoculars);
31.16,
7.5,
5.1'
(P. Dekelver,
0.3-m
Newtonian + CCD;
27.4'
tail in p.a. 297 deg);
31.13,
6.9,
4'
(B. Granslo,
Bjerke, Oslo,
0.08-m
Refractor);
30.51,
7.5,
4.4'
(M. Mattiazzo,
0.25-m
Schmidt reflector + CCD;
48.4'
tail in p.a. 296 deg);
30.18,
6.9,
5'
(J. Trigo-Rodríguez,
Montseny Astronomical Observatory B06,
0.05-m
"small telescopes" with aperture in range 4-10 inches + CCD;
30'
tail in p.a. 290 deg);
30.17,
7.2,
3.95'
(N. James,
0.072-m
Refractor + CCD);
30.14,
7.2,
4'
(V. Gonano,
Udine, Italy,
20x80
Binoculars);
29.20,
7.1,
3'
(V. Díaz,
Elche,
20x80
Binoculars);
29.20,
6.9,
4.5'
(J. Trigo-Rodríguez,
Montseny Astronomical Observatory B06,
0.05-m
"small telescopes" with aperture in range 4-10 inches + CCD;
30'
tail in p.a. 290 deg);
29.17,
7.3,
3.2'
(S. Getliffe,
0.09-m
Refractor;
0.09° tail in p.a. 58 deg);
29.17,
7.3,
2'
(J. Shanklin,
20x80
Binoculars);
29.17,
7.3,
4.89'
(N. James,
0.072-m
Refractor + CCD);
29.16,
6.9,
3'
(G. van Buitenen,
Dordrecht,
11x70
Binoculars);
29.15,
6.7,
4.8'
(M. Collins,
Everton,
0.103-m
Refractor);
29.15,
7.3,
3'
(A. Scholten,
Eerbeek,
15x80
Binoculars);
28.19,
7.3,
2'
(J. Shanklin,
20x80
Binoculars;
1° tail in p.a. 310 deg);
28.18,
7.8,
2.2'
(S. Getliffe,
0.09-m
Refractor);
28.16,
8.8,
--
(S. Getliffe,
0.09-m
Refractor);
28.15,
7.9,
5.7'
(H. Mikuz,
Crni Vrh (MPC 106),
0.6-m
Prime focus of a reflector + CCD;
32.7'
tail in p.a. 308 deg);
27.83,
8.0,
2.3'
(K. Yoshimoto,
0.3-m
Newtonian + CCD;
17'
tail in p.a. 305 deg);
27.20,
6.9,
5'
(J. Trigo-Rodríguez,
Montseny Astronomical Observatory B06,
0.05-m
"small telescopes" with aperture in range 4-10 inches + CCD;
30'
tail in p.a. 310 deg);
27.18,
7.3,
3'
(V. Gonano,
Udine, Italy,
20x80
Binoculars);
27.18,
7.6,
6'
(M. Buechner,
PixelskiesAstro, Castilléjar, Spain,
0.14-m
Refractor + CCD;
2° tail in p.a. 306 deg);
27.17,
7.0,
3'
(G. van Buitenen,
Dordrecht, Sterrenburg (G06),
11x70
Binoculars);
27.15,
7.5,
3'
(A. Scholten,
Eerbeek,
0.2-m
Newtonian);
27.12,
7.6,
3'
(B. Granslo,
Bjerke, Oslo, Norway,
0.08-m
Refractor);
26.16,
9.0,
--
(S. Getliffe,
0.09-m
Refractor);
26.16,
7.1,
3.5'
(M. Collins,
Everton,
0.103-m
Refractor);
25.51,
8.4,
4.5'
(M. Olason,
Arizona,
0.05-m
Refractor + CCD;
1.1° tail in p.a. 309 deg);
25.15,
7.8,
2'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD;
13'
tail in p.a. 305 deg);
25.12,
7.7,
3'
(P. Guzik,
25x100
Binoculars;
0.2° tail in p.a. 305 deg);
25.11,
7.6,
4'
(P. Guzik,
10x42.0
Binoculars);
24.92,
8.7,
--
(S. Flotskiy,
Strezhevoy,
0.075-m
Camera lens + CCD);
24.82,
8.3,
3.3'
(T. Yusa,
0.05-m
Refractor + CCD);
24.81,
8.3,
3'
(O. Miyazaki,
0.32-m
Newtonian);
24.20,
7.1,
6'
(J. Gonzalez Suarez,
Collada de Aralla, 1530 m, Spain,
10x50
Binoculars);
24.19,
7.3,
8'
(J. Gonzalez Suarez,
0.102-m
Maksutov;
0.6° tail in p.a. 310 deg);
24.17,
7.3,
7'
(V. Gonano,
Udine, Italy,
20x80
Binoculars);
23.85,
8.2,
2.6'
(K. Yoshimoto,
0.3-m
Newtonian + CCD;
25'
tail in p.a. 310 deg);
23.82,
8.9,
2.9'
(T. Yusa,
0.05-m
Refractor + CCD);
23.81,
8.1,
3.8'
(K. Harikae,
0.15-m
Newtonian + CCD;
10'
tail in p.a. 309 deg);
23.51,
8.6,
4'
(M. Olason,
Arizona,
0.05-m
Refractor + CCD;
0.9° tail in p.a. 309 deg);
23.20,
7.6,
4.8'
(J. Chambó Bris,
Valles, Valencia, Spain,
0.2-m
Newtonian + CCD;
47'
tail in p.a. 310 deg);
23.16,
8.1,
3'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD;
6.5'
tail in p.a. 305 deg);
23.15,
8.9,
5.5'
(M. Lošťák,
0.2-m
Newtonian + CCD);
23.15,
9.1,
5.5'
(M. Lošťák,
0.2-m
Newtonian + CCD);
23.12,
7.8,
3'
(P. Guzik,
10x42.0
Binoculars);
22.22,
8.7,
3'
(V. Gonano,
Udine, Italy,
20x80
Binoculars);
22.14,
8.1,
3'
(C. Harder,
Jeersdorf f,
0.35-m
Newtonian);
21.82,
9.0,
2'
(T. Yusa,
0.05-m
Refractor + CCD);
21.81,
8.5,
3.4'
(K. Harikae,
0.15-m
Newtonian + CCD);
21.51,
8.8,
4'
(M. Olason,
Arizona,
0.05-m
Refractor + CCD;
0.9° tail in p.a. 311 deg);
21.18,
9.6,
1.8'
(P. Dekelver,
0.3-m
Newtonian + CCD;
16.9'
tail in p.a. 311 deg);
21.13,
8.2,
3'
(P. Guzik,
10x42.0
Binoculars);
20.82,
8.7,
1.5'
(Y. Nagai,
0.05-m
Refractor + CCD);
20.82,
8.4,
1.7'
(O. Miyazaki,
0.32-m
Newtonian);
20.47,
8.7,
4'
(M. Olason,
Arizona,
0.05-m
Refractor + CCD;
51'
tail in p.a. 311 deg);
20.22,
8.5,
3'
(V. Gonano,
Udine, Italy,
20x80
Binoculars);
19.84,
8.6,
2.1'
(K. Yoshimoto,
0.3-m
Newtonian + CCD;
9'
tail in p.a. 313 deg);
19.51,
8.9,
4'
(M. Olason,
Arizona,
0.05-m
Refractor + CCD;
29'
tail in p.a. 313 deg);
19.18,
8.5,
2.4'
(M. Collins,
Everton,
0.254-m
Schmidt-Cassegrain);
19.17,
8.8,
1.2'
(W. Hasubick,
0.44-m
Newtonian);
19.17,
8.1,
3'
(A. Scholten,
Eerbeek,
0.2-m
Newtonian);
19.15,
8.2,
3'
(M. Deconinck,
Fernelmont,
25x130
Binoculars);
19.15,
8.3,
1.3'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD;
7.1'
tail in p.a. 320 deg);
19.13,
8.4,
3'
(P. Guzik,
10x42.0
Binoculars);
19.12,
8.6,
2.5'
(P. Guzik,
25x100
Binoculars);
18.51,
8.1,
2.5'
(C. Hergenrother,
30x125.0
Binoculars);
18.22,
8.8,
3'
(J. Trigo-Rodríguez,
Montseny Astronomical Observatory B06,
0.05-m
"small telescopes" with aperture in range 4-10 inches + CCD);
18.20,
9.9,
--
(S. Getliffe,
0.09-m
Refractor);
18.16,
8.8,
6.7'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.06° tail in p.a. 322 deg);
18.11,
8.9,
4.4'
(U. Pilz,
Leipzig,
0.03-m
Refractor + CCD);
17.83,
9.1,
2.5'
(T. Yusa,
0.05-m
Refractor + CCD);
17.51,
9.0,
4'
(M. Olason,
Arizona,
0.05-m
Refractor + CCD;
14'
tail in p.a. 316 deg);
17.21,
7.6,
8'
(J. Gonzalez Suarez,
Collada de Aralla, 1530 m, Spain,
15x70
Binoculars);
17.20,
8.9,
2.5'
(C. Labordena,
La Serra de Engarcera,
0.2-m
Schmidt-Cassegrain);
17.19,
7.8,
7'
(J. Gonzalez Suarez,
0.102-m
Maksutov);
C/2025 T1 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
mar
25.39,
15.1,
1'
(M. Mattiazzo,
0.25-m
Schmidt reflector + CCD);
C/2025 V2 (Rankin)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
apr
11.83,
18.6,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
08.52,
17.9,
0.3'
(K. Yoshimoto,
0.3-m
Newtonian + CCD);
07.85,
18.9,
0.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
mar
21.85,
18.3,
0.2'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
21.82,
18.8,
0.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
C/2025 Y1 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
apr
09.94,
16.4,
0.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
09.94,
17.3,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
09.94,
17.1,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
08.99,
17.0,
0.18'
(P. Dekelver,
0.3-m
Newtonian + CCD);
07.98,
16.8,
0.23'
(P. Dekelver,
0.3-m
Newtonian + CCD);
07.85,
17.3,
0.5'
(M. Lošťák,
0.2-m
Newtonian + CCD);
07.85,
17.0,
0.3'
(M. Lošťák,
0.2-m
Newtonian + CCD);
07.02,
16.8,
0.23'
(P. Dekelver,
0.3-m
Newtonian + CCD);
06.86,
17.5,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
06.06,
17.0,
0.23'
(P. Dekelver,
0.3-m
Newtonian + CCD);
mar
30.99,
17.1,
0.18'
(P. Dekelver,
0.3-m
Newtonian + CCD);
26.97,
17.0,
0.23'
(R. Hill,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
25.59,
17.1,
0.3'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
24.59,
17.0,
0.3'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
23.98,
17.4,
0.18'
(P. Dekelver,
0.3-m
Newtonian + CCD);
23.09,
17.6,
0.4'
(M. Lošťák,
0.2-m
Newtonian + CCD);
23.09,
16.9,
0.3'
(M. Lošťák,
0.2-m
Newtonian + CCD);
22.97,
17.3,
0.18'
(P. Dekelver,
0.3-m
Newtonian + CCD);
22.91,
17.1,
0.23'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD);
22.58,
17.1,
0.3'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
22.52,
16.8,
0.34'
(M. Mattiazzo,
0.28-m
Schmidt reflector + CCD);
21.91,
17.0,
0.23'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD);
21.65,
17.1,
0.35'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
21.59,
17.0,
0.2'
(K. Yoshimoto,
0.3-m
Newtonian + CCD);
20.60,
17.2,
0.3'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
19.54,
16.8,
0.3'
(M. Mattiazzo,
0.28-m
Schmidt reflector + CCD);
19.08,
17.2,
0.8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
18.92,
17.4,
0.19'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD);
18.60,
17.2,
0.3'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
17.59,
17.2,
0.3'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
16.60,
17.2,
0.3'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
C/2026 A1 (MAPS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
apr
04.47,
0.6,
11.4'
(M. Paradowski,
SOHO,
0.02-m
Coronagraph + CCD);
04.47,
0.5,
11.4'
(M. Paradowski,
SOHO,
0.02-m
Coronagraph + CCD);
04.46,
0.6,
11.4'
(M. Paradowski,
SOHO,
0.02-m
Coronagraph + CCD);
04.43,
0.5,
19'
(M. Paradowski,
SOHO,
0.02-m
Coronagraph + CCD);
04.41,
0.3,
19'
(M. Paradowski,
SOHO,
0.02-m
Coronagraph + CCD);
04.40,
0.2,
19'
(M. Paradowski,
SOHO,
0.02-m
Coronagraph + CCD);
04.39,
0.1,
19'
(M. Paradowski,
SOHO,
0.02-m
Coronagraph + CCD);
04.38,
0.0,
19'
(M. Paradowski,
SOHO,
0.02-m
Coronagraph + CCD);
04.38,
-0.1,
19'
(M. Paradowski,
SOHO,
0.02-m
Coronagraph + CCD);
04.37,
-0.2,
19'
(M. Paradowski,
SOHO,
0.02-m
Coronagraph + CCD);
04.36,
-0.4,
19'
(M. Paradowski,
SOHO,
0.02-m
Coronagraph + CCD);
04.35,
-0.7,
19'
(M. Paradowski,
SOHO,
0.02-m
Coronagraph + CCD);
04.34,
-0.8,
19'
(M. Paradowski,
SOHO,
0.02-m
Coronagraph + CCD);
04.33,
-0.9,
19'
(M. Paradowski,
SOHO,
0.02-m
Coronagraph + CCD);
04.32,
-1.0,
22.8'
(M. Paradowski,
SOHO,
0.02-m
Coronagraph + CCD);
04.31,
-1.0,
22.8'
(M. Paradowski,
SOHO,
0.02-m
Coronagraph + CCD);
04.30,
-1.1,
22.8'
(M. Paradowski,
SOHO,
0.02-m
Coronagraph + CCD);
04.29,
-1.0,
22.8'
(M. Paradowski,
SOHO,
0.02-m
Coronagraph + CCD);
04.15,
1.1,
28'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
3.11° tail in p.a. 99 deg);
04.14,
1.4,
28'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
3.11° tail in p.a. 99 deg);
04.13,
1.1,
28'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
3.11° tail in p.a. 99 deg);
04.12,
1.4,
28'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
2.33° tail in p.a. 99 deg);
04.11,
1.2,
28'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
2.33° tail in p.a. 99 deg);
04.10,
1.5,
28'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
2.33° tail in p.a. 99 deg);
04.10,
1.2,
28'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
2.33° tail in p.a. 99 deg);
04.09,
1.2,
28'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
2.33° tail in p.a. 99 deg);
04.08,
1.3,
28'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
2.33° tail in p.a. 99 deg);
04.07,
1.5,
28'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
2.33° tail in p.a. 99 deg);
04.06,
1.3,
28'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
2.33° tail in p.a. 99 deg);
04.04,
1.5,
28'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
2.33° tail in p.a. 99 deg);
04.03,
1.6,
28'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
2.33° tail in p.a. 99 deg);
04.02,
1.4,
28'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
2.33° tail in p.a. 99 deg);
04.01,
1.6,
28'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
2.33° tail in p.a. 99 deg);
04.00,
1.5,
22'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
2.33° tail in p.a. 99 deg);
04.00,
1.7,
22'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
2° tail in p.a. 99 deg);
03.99,
1.6,
22'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
2° tail in p.a. 99 deg);
03.98,
1.8,
22'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
2° tail in p.a. 99 deg);
03.97,
1.5,
22'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
2.49° tail in p.a. 99 deg);
03.96,
1.7,
22'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
2.49° tail in p.a. 99 deg);
03.95,
1.6,
22'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
2.49° tail in p.a. 99 deg);
03.94,
1.7,
22'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
2.49° tail in p.a. 99 deg);
03.93,
1.8,
22'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
2.49° tail in p.a. 99 deg);
03.92,
1.8,
22'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
2.49° tail in p.a. 99 deg);
03.91,
1.9,
22'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
2.49° tail in p.a. 99 deg);
03.90,
1.9,
22'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
2.49° tail in p.a. 99 deg);
03.90,
1.8,
22'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
2.49° tail in p.a. 99 deg);
03.89,
1.9,
22'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
2.49° tail in p.a. 99 deg);
03.88,
1.9,
22'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
2.49° tail in p.a. 99 deg);
03.86,
1.9,
22'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
2.49° tail in p.a. 99 deg);
03.85,
1.9,
22'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
2.49° tail in p.a. 99 deg);
03.85,
1.9,
18'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
2.49° tail in p.a. 99 deg);
03.84,
2.1,
18'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
2.49° tail in p.a. 99 deg);
03.83,
2.0,
18'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
2.49° tail in p.a. 99 deg);
03.82,
2.1,
18'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
2.49° tail in p.a. 99 deg);
03.81,
2.2,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
2.49° tail in p.a. 99 deg);
03.80,
2.2,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
2.49° tail in p.a. 99 deg);
03.80,
2.2,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
2.49° tail in p.a. 99 deg);
03.79,
2.3,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
2.49° tail in p.a. 99 deg);
03.77,
2.3,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.87° tail in p.a. 99 deg);
03.76,
2.2,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.87° tail in p.a. 99 deg);
03.75,
2.3,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.87° tail in p.a. 99 deg);
03.75,
2.3,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.87° tail in p.a. 99 deg);
03.74,
2.3,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.87° tail in p.a. 99 deg);
03.73,
2.3,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
2.33° tail in p.a. 99 deg);
03.72,
2.3,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
2.33° tail in p.a. 99 deg);
03.71,
2.3,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
2.33° tail in p.a. 99 deg);
03.70,
2.3,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
2.33° tail in p.a. 99 deg);
03.70,
2.3,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
2.33° tail in p.a. 99 deg);
03.69,
2.3,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
2.33° tail in p.a. 99 deg);
03.68,
2.3,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
2.33° tail in p.a. 99 deg);
03.67,
2.3,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
2.33° tail in p.a. 99 deg);
03.66,
2.3,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
2.33° tail in p.a. 99 deg);
03.65,
2.4,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.55° tail in p.a. 99 deg);
03.65,
2.4,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.55° tail in p.a. 99 deg);
03.64,
2.4,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.84° tail in p.a. 99 deg);
03.63,
2.5,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.84° tail in p.a. 99 deg);
03.62,
2.4,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.84° tail in p.a. 99 deg);
03.61,
2.5,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.84° tail in p.a. 99 deg);
03.60,
2.4,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.84° tail in p.a. 99 deg);
03.60,
2.6,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.84° tail in p.a. 99 deg);
03.59,
2.5,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.84° tail in p.a. 99 deg);
03.58,
2.5,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.84° tail in p.a. 99 deg);
03.57,
2.5,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.84° tail in p.a. 99 deg);
03.56,
2.5,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.84° tail in p.a. 99 deg);
03.54,
2.5,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.84° tail in p.a. 99 deg);
03.53,
2.5,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.84° tail in p.a. 99 deg);
03.52,
2.5,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.84° tail in p.a. 99 deg);
03.51,
2.6,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.84° tail in p.a. 99 deg);
03.50,
2.6,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.84° tail in p.a. 99 deg);
03.50,
2.5,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.84° tail in p.a. 99 deg);
03.49,
2.6,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.84° tail in p.a. 99 deg);
03.47,
2.6,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.77° tail in p.a. 99 deg);
03.46,
2.6,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.77° tail in p.a. 99 deg);
03.44,
2.7,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.48° tail in p.a. 97 deg);
03.41,
2.7,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.48° tail in p.a. 97 deg);
03.40,
2.7,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.48° tail in p.a. 97 deg);
03.40,
2.7,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.48° tail in p.a. 97 deg);
03.38,
2.8,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.48° tail in p.a. 97 deg);
03.36,
2.8,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.48° tail in p.a. 97 deg);
03.35,
2.8,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.48° tail in p.a. 97 deg);
03.34,
2.8,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.48° tail in p.a. 97 deg);
03.32,
2.8,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.48° tail in p.a. 97 deg);
03.31,
2.9,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.48° tail in p.a. 97 deg);
03.30,
2.8,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.48° tail in p.a. 97 deg);
03.30,
2.9,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.48° tail in p.a. 97 deg);
03.29,
2.9,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.48° tail in p.a. 97 deg);
03.28,
3.0,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.48° tail in p.a. 97 deg);
03.27,
2.9,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.48° tail in p.a. 97 deg);
03.25,
2.9,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.48° tail in p.a. 97 deg);
03.24,
3.0,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.48° tail in p.a. 97 deg);
03.23,
3.0,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.48° tail in p.a. 97 deg);
03.22,
3.0,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.48° tail in p.a. 97 deg);
03.21,
3.0,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.48° tail in p.a. 97 deg);
03.20,
3.0,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.48° tail in p.a. 97 deg);
03.20,
3.0,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.48° tail in p.a. 97 deg);
03.19,
3.1,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.48° tail in p.a. 97 deg);
03.18,
3.0,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.48° tail in p.a. 97 deg);
03.15,
3.1,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.48° tail in p.a. 97 deg);
03.14,
3.2,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.48° tail in p.a. 97 deg);
03.13,
3.1,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.48° tail in p.a. 97 deg);
03.11,
3.2,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.48° tail in p.a. 97 deg);
03.10,
3.2,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.48° tail in p.a. 97 deg);
03.10,
3.3,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.48° tail in p.a. 97 deg);
03.08,
3.3,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.48° tail in p.a. 97 deg);
03.07,
3.3,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.48° tail in p.a. 97 deg);
03.06,
3.4,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.48° tail in p.a. 97 deg);
03.04,
3.4,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.24° tail in p.a. 98 deg);
03.03,
3.5,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.24° tail in p.a. 98 deg);
03.02,
3.4,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.24° tail in p.a. 98 deg);
03.01,
3.5,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.24° tail in p.a. 98 deg);
03.00,
3.4,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.24° tail in p.a. 98 deg);
02.99,
3.5,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.24° tail in p.a. 98 deg);
02.98,
3.5,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.17° tail in p.a. 100 deg);
02.97,
3.5,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
1.17° tail in p.a. 100 deg);
02.96,
3.5,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
0.9° tail in p.a. 100 deg);
02.95,
3.5,
14.9'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD;
0.9° tail in p.a. 100 deg);
02.94,
3.6,
7'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD);
02.93,
3.6,
7'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD);
02.92,
3.7,
7'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD);
02.91,
3.6,
7'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD);
02.90,
3.6,
7'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD);
02.90,
3.6,
7'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD);
02.89,
3.6,
7'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD);
02.88,
3.6,
7'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD);
02.86,
3.6,
7'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD);
02.85,
3.6,
7'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD);
02.85,
3.6,
7'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD);
02.84,
3.6,
7'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD);
02.83,
3.8,
7'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD);
02.82,
3.6,
7'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD);
02.81,
3.8,
7'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD);
02.80,
3.7,
7'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD);
02.80,
3.8,
7'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD);
02.79,
3.8,
7'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD);
02.78,
3.7,
7'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD);
02.77,
3.7,
7'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD);
02.76,
3.8,
7'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD);
02.75,
3.8,
7'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD);
02.75,
3.8,
7'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD);
02.74,
3.9,
7'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD);
02.73,
3.8,
7'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD);
02.72,
4.0,
7'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD);
02.71,
3.8,
7'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD);
02.70,
4.1,
7'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD);
02.70,
3.9,
7'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD);
02.69,
4.1,
7'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD);
02.68,
4.1,
7'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD);
02.67,
4.2,
7'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD);
02.66,
4.3,
7'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD);
02.65,
4.5,
7'
(M. Paradowski,
SOHO,
0.008-m
Coronagraph + CCD);
mar
29.98,
7.6,
1.6'
(M. Mašek,
Malargue,
0.107-m
Camera lens + CCD);
29.37,
7.7,
1'
(C. Wyatt,
0.25-m
Newtonian);
28.37,
8.0,
0.8'
(C. Wyatt,
0.25-m
Newtonian);
28.36,
8.2,
2.5'
(T. Lovejoy,
Birkdale (MPC Q80),
0.1-m
Refractor + CCD;
35.5'
tail in p.a. 99 deg);
27.99,
8.9,
2.3'
(M. Mašek,
Malargue,
0.107-m
Camera lens + CCD;
4.2'
tail in p.a. 93 deg);
27.99,
7.8,
3.1'
(M. Mašek,
Malargue,
0.107-m
Camera lens + CCD;
8.4'
tail in p.a. 92 deg);
27.36,
8.0,
3'
(T. Lovejoy,
Birkdale (MPC Q80),
0.2-m
Newtonian + CCD;
30'
tail in p.a. 102 deg);
27.11,
7.8,
3'
(M. Olason,
Arizona,
0.05-m
Refractor + CCD;
1'
tail in p.a. 100 deg);
26.42,
8.6,
1.2'
(K. Yoshimoto,
0.077-m
Refractor + CCD);
26.41,
8.7,
2'
(M. Mattiazzo,
Strathalbyn, South Australia,
0.07-m
Camera lens + CCD);
26.36,
8.7,
3'
(T. Lovejoy,
Birkdale (MPC Q80),
0.2-m
Newtonian + CCD;
36'
tail in p.a. 100 deg);
26.11,
7.9,
3'
(M. Olason,
Arizona,
0.05-m
Refractor + CCD;
2'
tail in p.a. 100 deg);
26.11,
8.0,
3'
(M. Olason,
Arizona,
0.05-m
Refractor + CCD);
26.00,
8.8,
4.6'
(M. Mašek,
Paranal,
0.067-m
Camera lens + CCD;
6'
tail in p.a. 107 deg);
26.00,
9.8,
2.8'
(M. Mašek,
Paranal,
0.067-m
Camera lens + CCD;
4.3'
tail in p.a. 108 deg);
26.00,
8.9,
2.7'
(M. Mašek,
Malargue,
0.3-m
Cassegrain reflector + CCD;
15.9'
tail in p.a. 103 deg);
25.99,
9.9,
1.5'
(M. Mašek,
Malargue,
0.3-m
Cassegrain reflector + CCD;
8.7'
tail in p.a. 103 deg);
25.99,
8.9,
2.7'
(M. Mašek,
Malargue,
0.107-m
Camera lens + CCD;
11'
tail in p.a. 101 deg);
25.99,
9.9,
1.9'
(M. Mašek,
Malargue,
0.107-m
Camera lens + CCD);
25.39,
8.7,
1.5'
(C. Wyatt,
0.25-m
Newtonian;
7'
tail in p.a. 115 deg);
25.38,
8.5,
1.5'
(C. Wyatt,
15x70
Binoculars);
25.37,
8.5,
3.5'
(T. Lovejoy,
Birkdale (MPC Q80),
0.2-m
Newtonian + CCD);
25.12,
8.8,
3.5'
(M. Olason,
Arizona,
0.05-m
Refractor + CCD;
15'
tail in p.a. 100 deg);
25.00,
8.7,
3.7'
(M. Mašek,
Malargue,
0.107-m
Camera lens + CCD;
20.2'
tail in p.a. 100 deg);
25.00,
9.7,
3.2'
(M. Mašek,
Paranal,
0.067-m
Camera lens + CCD);
25.00,
9.8,
3.1'
(M. Mašek,
Malargue,
0.107-m
Camera lens + CCD;
19.7'
tail in p.a. 101 deg);
25.00,
8.7,
4.6'
(M. Mašek,
Paranal,
0.067-m
Camera lens + CCD;
6.1'
tail in p.a. 102 deg);
24.47,
9.5,
2'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
4.6'
tail in p.a. 101 deg);
24.42,
9.3,
2'
(M. Mattiazzo,
Strathalbyn, South Asutralia,
25x100
Binoculars);
24.42,
9.5,
2'
(M. Mattiazzo,
Strathalbyn, South Australia,
0.07-m
Camera lens + CCD);
24.38,
9.3,
2.3'
(C. Wyatt,
0.25-m
Newtonian;
5'
tail in p.a. 115 deg);
24.12,
9.5,
3.5'
(M. Olason,
Arizona,
0.05-m
Refractor + CCD;
7'
tail in p.a. 101 deg);
23.42,
10.4,
2'
(M. Mattiazzo,
Strthalbyn, South Australia,
70x70
Binoculars + CCD);
23.42,
10.0,
2'
(M. Mattiazzo,
Strathallbyn, South Australia,
25x100
Binoculars);
23.39,
9.7,
2.4'
(C. Wyatt,
0.25-m
Newtonian;
4.5'
tail in p.a. 114 deg);
23.01,
10.2,
3.7'
(M. Mašek,
Paranal,
0.067-m
Camera lens + CCD;
5'
tail in p.a. 106 deg);
23.01,
11.3,
2.3'
(M. Mašek,
Paranal,
0.067-m
Camera lens + CCD;
2.6'
tail in p.a. 105 deg);
23.00,
10.1,
3.5'
(M. Mašek,
Malargue,
0.107-m
Camera lens + CCD;
9.1'
tail in p.a. 97 deg);
23.00,
10.3,
2.4'
(M. Mašek,
Malargue,
0.3-m
Cassegrain reflector + CCD;
5.2'
tail in p.a. 100 deg);
23.00,
11.5,
1.6'
(M. Mašek,
Malargue,
0.3-m
Cassegrain reflector + CCD;
3.7'
tail in p.a. 102 deg);
23.00,
11.5,
1.6'
(M. Mašek,
Malargue,
0.107-m
Camera lens + CCD;
6.3'
tail in p.a. 102 deg);
22.91,
9.7,
2'
(J. de Souza Aguiar,
0.3-m
Newtonian);
22.47,
10.5,
2.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
4.1'
tail in p.a. 100 deg);
22.43,
9.6,
2'
(M. Mattiazzo,
Strathalbyn, South Australia,
25x100
Binoculars);
22.43,
10.1,
2.9'
(M. Mattiazzo,
0.28-m
Schmidt reflector + CCD;
12.1'
tail in p.a. 98 deg);
22.38,
10.1,
2.2'
(C. Wyatt,
0.25-m
Newtonian;
3'
tail in p.a. 107 deg);
22.12,
10.4,
3.5'
(M. Olason,
Arizona,
0.05-m
Refractor + CCD;
7'
tail in p.a. 100 deg);
21.99,
9.9,
5'
(T. Lovejoy,
iTelescope Deep Sky Chile, Rio Hurtado (MPC X07),
0.25-m
Newtonian + CCD);
21.91,
9.8,
2'
(J. de Souza Aguiar,
0.3-m
Newtonian);
21.49,
9.6,
3'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
21.44,
10.6,
1.9'
(K. Yoshimoto,
0.077-m
Refractor + CCD;
5'
tail in p.a. 101 deg);
21.12,
10.0,
3.5'
(M. Olason,
Arizona,
0.05-m
Refractor + CCD;
6'
tail in p.a. 105 deg);
20.80,
9.3,
4'
(J. Trigo-Rodríguez,
Montseny Astronomical Observatory B06,
0.05-m
"small telescopes" with aperture in range 4-10 inches + CCD);
20.76,
10.2,
5'
(A. Pearce,
Skygems Namibia Remote Observatory,
0.1-m
Refractor + CCD;
38.2'
tail in p.a. 96 deg);
20.43,
9.5,
3'
(M. Mattiazzo,
Strathalbyn, South Australia,
25x100
Binoculars);
20.38,
9.4,
3.6'
(T. Lovejoy,
iTelescope Observatory, Siding Spring (MPC Q62),
0.51-m
Cassegrain reflector + CCD);
20.01,
9.7,
5.1'
(T. Lovejoy,
iTelescope Deep Sky Chile, Rio Hurtado (MPC X07),
0.25-m
Newtonian + CCD;
29.1'
tail in p.a. 99 deg);
19.83,
8.3,
8'
(J. Gonzalez Suarez,
Alto de la Camperona, 1603 m, Spain,
0.102-m
Maksutov);
19.48,
10.5,
3'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
5.1'
tail in p.a. 106 deg);
19.44,
9.8,
3'
(M. Mattiazzo,
Strathalbyn, South Australia,
25x100
Binoculars);
19.12,
10.4,
3.5'
(M. Olason,
Arizona,
0.05-m
Refractor + CCD;
5'
tail in p.a. 104 deg);
19.01,
9.9,
6'
(C. Hergenrother,
0.065-m
Refractor + CCD;
2.9'
tail in p.a. 96 deg);
19.00,
9.8,
6'
(T. Lovejoy,
iTelescope Deep Sky Chile, Rio Hurtado (MPC X07),
0.25-m
Newtonian + CCD;
19.9'
tail in p.a. 100 deg);
18.49,
9.5,
3'
(A. Pearce,
Mardella Observatory,
0.43-m
Schmidt-Cassegrain + CCD;
7'
tail in p.a. 95 deg);
18.48,
10.6,
3.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
2.5'
tail in p.a. 101 deg);
18.48,
10.6,
3'
(A. Pearce,
Mardella Observatory,
0.43-m
Schmidt-Cassegrain + CCD;
9.8'
tail in p.a. 101 deg);
18.05,
9.9,
5.9'
(V. Italo,
Warm Springs, GA,
0.2-m
Schmidt-Cassegrain + CCD;
7.2'
tail in p.a. 100 deg);
18.01,
10.1,
7'
(C. Hergenrother,
0.065-m
Refractor + CCD;
2.7'
tail in p.a. 94 deg);
17.91,
10.0,
2'
(J. de Souza Aguiar,
0.3-m
Newtonian);
17.83,
9.5,
5'
(J. Trigo-Rodríguez,
Montseny Astronomical Observatory B06,
0.05-m
"small telescopes" with aperture in range 4-10 inches + CCD);
17.77,
10.9,
5'
(A. Pearce,
Skygems Namibia Remote Observatory,
0.1-m
Refractor + CCD;
18.9'
tail in p.a. 99 deg);
17.49,
9.7,
3.2'
(A. Pearce,
Mardella Observatory,
0.43-m
Schmidt-Cassegrain + CCD;
5.9'
tail in p.a. 100 deg);
17.48,
10.8,
3'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
17.44,
10.7,
3'
(K. Yoshimoto,
0.077-m
Refractor + CCD;
10'
tail in p.a. 101 deg);
17.02,
10.4,
6.9'
(M. Mašek,
Paranal,
0.067-m
Camera lens + CCD);
17.02,
11.7,
3.7'
(M. Mašek,
Paranal,
0.067-m
Camera lens + CCD);
16.92,
10.1,
2'
(J. de Souza Aguiar,
0.3-m
Newtonian);
16.83,
9.2,
7'
(J. Gonzalez Suarez,
Alto del Castro, 1660 m, Spain,
0.102-m
Maksutov);
16.80,
10.0,
5'
(J. Trigo-Rodríguez,
Montseny Astronomical Observatory B06,
0.05-m
"small telescopes and finders" with aperture not exceeding 4 inches + CCD);
16.77,
10.9,
4'
(A. Pearce,
Skygems Namibia Remote Observatory,
0.1-m
Refractor + CCD;
21'
tail in p.a. 99 deg);
16.49,
10.0,
3.2'
(A. Pearce,
Mardella Observatory,
0.43-m
Schmidt-Cassegrain + CCD;
5.5'
tail in p.a. 97 deg);
16.48,
11.2,
3.2'
(A. Pearce,
Mardella Observatory,
0.43-m
Schmidt-Cassegrain + CCD;
6.9'
tail in p.a. 98 deg);
16.41,
10.3,
2.6'
(T. Yusa,
0.05-m
Refractor + CCD);
C/2026 A2 (Bok)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
apr
09.95,
18.3,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
06.01,
18.1,
0.6'
(F. Carrasco Lopez,
Observatorio Villuercas-Navezuelas (MPC R49),
0.25-m
Newtonian + CCD;
8.5" tail in p.a. 251 deg);
C/2026 B2 (Sun-Gao)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
apr
07.11,
18.3,
0.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
C/2026 B3 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
apr
06.85,
19.5,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
mar
21.88,
19.3,
0.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
C/2026 C1 (Tsuchinshan)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
apr
10.95,
18.3,
0.15'
(À. Bueno,
AstroGRN Trevinca,
0.12-m
Refractor + CCD);
10.91,
18.7,
0.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
10.91,
18.1,
0.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
10.90,
19.1,
0.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
09.93,
19.3,
0.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
09.91,
18.3,
0.15'
(À. Bueno,
AstroGRN Trevinca,
0.12-m
Refractor + CCD);
08.96,
18.1,
0.2'
(E. Bryssinck,
0.4-m
Newtonian + CCD);
06.85,
19.3,
0.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
05.91,
18.0,
0.15'
(À. Bueno,
AstroGRN Trevinca,
0.12-m
Refractor + CCD);
03.99,
18.9,
0.14'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD);
03.94,
18.5,
0.6'
(F. Carrasco Lopez,
Observatorio Villuercas-Navezuelas (MPC R49),
0.25-m
Newtonian + CCD);
03.89,
18.7,
0.19'
(À. Bueno,
AstroGRN Trevinca,
0.12-m
Refractor + CCD);
mar
29.02,
18.3,
0.19'
(À. Bueno,
AstroGRN Trevinca,
0.12-m
Refractor + CCD);
24.07,
19.4,
0.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
19.53,
19.1,
0.38'
(M. Mattiazzo,
0.28-m
Schmidt reflector + CCD);