2P/Encke
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
13.19,
21.8,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
10P/Tempel
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
27.15,
10.3,
0.6'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
27.12,
8.1,
9.2'
(J. Chambó Bris,
OAV, Valencia, Spain (MPC XXX),
0.2-m
Newtonian + CCD;
12.6'
tail in p.a. 261 deg);
27.12,
10.7,
1'
(À. Bueno,
Tevinca,
0.073-m
Refractor + CCD);
27.02,
16.0,
1.4'
(H. Smith,
0.12-m
Newtonian + CCD);
26.99,
8.0,
7'
(V. Gonano,
Udine, Italy,
20x80
Binoculars);
26.43,
7.5,
9.6'
(D. Bartlett,
June Lake Overlook (MPC U66),
0.28-m
Schmidt-Cassegrain + CCD;
26.9'
tail in p.a. 268 deg);
26.16,
11.6,
0.25'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
26.01,
7.9,
5'
(G. Oksa,
Nitra, Slovakia,
12x60
Binoculars);
26.01,
8.5,
4.5'
(E. Banach,
0.25-m
Newtonian);
25.98,
8.2,
8'
(M. Biely,
20x80
Binoculars);
25.42,
6.8,
10.9'
(D. Bartlett,
June Lake Overlook (MPC U66),
0.28-m
Schmidt-Cassegrain + CCD;
18.5'
tail in p.a. 262 deg);
25.16,
8.1,
7'
(C. Labordena,
La Serratella,
11x80
Binoculars);
24.99,
8.3,
4'
(V. Gonano,
Udine, Italy,
20x80
Binoculars);
24.98,
8.8,
9.5'
(M. Biely,
20x80
Binoculars);
24.98,
8.2,
5'
(K. Alburaidi,
Al-Bukayriyah, Al-Qassim,
20x80
Binoculars);
24.96,
7.6,
15'
(P. Guzik,
10x50
Binoculars);
24.75,
8.3,
14'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
24.65,
8.4,
11'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
24.39,
7.1,
10.8'
(D. Bartlett,
June Lake Overlook (MPC U66),
0.28-m
Schmidt-Cassegrain + CCD);
24.09,
7.8,
7.4'
(W. Kutschera,
0.08-m
Refractor);
24.03,
8.6,
8.8'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
24.02,
8.2,
10.3'
(M. Lošťák,
0.05-m
Refractor + CCD);
23.78,
7.7,
15.2'
(À. Bueno,
AstroGRN Australia,
0.073-m
Refractor + CCD);
23.76,
8.2,
14'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
23.35,
7.3,
10.1'
(D. Bartlett,
June Lake Overlook (MPC U66),
0.28-m
Schmidt-Cassegrain + CCD;
30.9'
tail in p.a. 254 deg);
23.15,
11.4,
0.3'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
23.06,
7.2,
15'
(J. Gonzalez Suarez,
10x50
Binoculars);
22.99,
8.7,
4'
(V. Gonano,
Udine, Italy,
20x80
Binoculars);
22.76,
8.4,
13'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
22.72,
8.4,
12'
(O. Miyazaki,
18x50
Binoculars);
22.69,
7.6,
15.4'
(R. Ramlow,
Q62,
0.106-m
Refractor + CCD;
33'
tail in p.a. 250 deg);
22.68,
7.3,
15.4'
(K. Yoshimoto,
0.065-m
Camera lens + CCD);
22.65,
8.2,
15'
(A. Pearce,
Lighthouse Observatory, Kalamunda, W. Australia,
0.1-m
Refractor + CCD);
22.30,
7.4,
7.9'
(D. Bartlett,
June Lake Overlook (MPC U66),
0.28-m
Schmidt-Cassegrain + CCD;
31.1'
tail in p.a. 247 deg);
22.15,
10.6,
0.3'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
22.09,
8.9,
3'
(J. de Souza Aguiar,
0.27-m
Newtonian);
22.04,
8.2,
12.1'
(M. Meyer,
0.05-m
Refractor + CCD);
22.00,
7.8,
7'
(A. Kammerer,
Voelkersbach (Black Forest),
0.397-m
Newtonian);
21.82,
7.6,
10'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
21.76,
8.4,
8'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
21.71,
8.6,
9.6'
(O. Miyazaki,
18x50
Binoculars);
21.69,
8.5,
10'
(T. Yusa,
0.05-m
Refractor + CCD);
21.58,
9.2,
4.8'
(Y. Yamaguchi,
0.13-m
Hyperboloid astro-camera + CCD);
21.16,
10.0,
0.3'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
21.09,
8.9,
3'
(J. de Souza Aguiar,
0.27-m
Newtonian);
20.99,
9.3,
4.5'
(C. Harder,
Jeersdorf f,
0.35-m
Newtonian);
20.99,
8.9,
3'
(A. Scholten,
Eerbeek,
0.2-m
Newtonian);
20.98,
7.4,
15.2'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD);
20.98,
8.8,
4'
(V. Gonano,
Udine, Italy,
20x80
Binoculars);
20.97,
8.0,
7'
(A. Kammerer,
Voelkersbach (Black Forest),
0.397-m
Newtonian);
20.74,
8.4,
12'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
20.70,
7.8,
8.7'
(K. Yoshimoto,
0.065-m
Camera lens + CCD);
20.16,
9.9,
0.4'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
20.09,
8.8,
3'
(J. de Souza Aguiar,
0.27-m
Newtonian);
20.06,
8.5,
6.6'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
20.03,
7.6,
15.9'
(M. Meyer,
0.05-m
Refractor + CCD);
20.02,
9.5,
3'
(M. Deconinck,
Fernelmont,
0.25-m
Cassegrain reflector);
20.00,
8.2,
9'
(G. Scheerle,
0.235-m
Schmidt-Cassegrain);
20.00,
8.0,
10'
(G. Scheerle,
9x63.0
Binoculars);
19.97,
9.4,
7'
(P. Dekelver,
0.3-m
Newtonian + CCD);
19.76,
8.8,
8'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
19.69,
9.1,
5.4'
(Y. Nagai,
0.05-m
Refractor + CCD);
19.66,
8.7,
6'
(O. Miyazaki,
18x50
Binoculars);
19.64,
9.4,
3'
(R. Aikawa,
0.203-m
Schmidt-Cassegrain);
19.61,
8.2,
8.1'
(T. Yusa,
0.05-m
Refractor + CCD);
19.15,
9.3,
2.4'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
19.14,
9.5,
3.2'
(W. Souza,
0.05-m
Refractor + CCD);
19.08,
8.8,
4'
(J. de Souza Aguiar,
25x100
Binoculars);
19.08,
8.8,
6'
(M. Goiato,
20x100
Binoculars);
19.08,
9.0,
4'
(M. Goiato,
0.22-m
Newtonian);
18.97,
11.0,
--
(V. Lazarava,
Field near Pińczów, Poland,
0.05-m
Camera lens + CCD);
18.96,
8.8,
5'
(V. Gonano,
Udine, Italy,
20x80
Binoculars);
18.96,
10.0,
3.5'
(P. Dekelver,
0.3-m
Newtonian + CCD);
18.41,
9.3,
3.6'
(D. Svechkarev,
0.11-m
Refractor + CCD);
18.08,
8.7,
4'
(J. de Souza Aguiar,
25x100
Binoculars);
18.07,
9.7,
3.3'
(W. Souza,
0.05-m
Refractor + CCD);
17.98,
9.7,
6'
(P. Dekelver,
0.3-m
Newtonian + CCD);
17.97,
10.7,
0.53'
(S. Shurpakov,
0.41-m
Newtonian + CCD;
0.8'
tail in p.a. 340 deg);
17.40,
9.5,
2.7'
(D. Svechkarev,
0.11-m
Refractor + CCD);
17.36,
8.2,
9.1'
(D. Bartlett,
June Lake Overlook (MPC U66),
0.28-m
Schmidt-Cassegrain + CCD);
17.26,
8.9,
16.1'
(M. Mašek,
Paranal,
0.067-m
Camera lens + CCD);
17.25,
9.2,
9.2'
(M. Mašek,
Paranal,
0.067-m
Camera lens + CCD);
17.25,
8.5,
16.1'
(M. Mašek,
Paranal,
0.067-m
Camera lens + CCD);
17.25,
7.8,
20.7'
(M. Mašek,
Paranal,
0.067-m
Camera lens + CCD);
17.11,
12.2,
2'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
17.09,
8.7,
4'
(J. de Souza Aguiar,
25x100
Binoculars);
16.96,
8.9,
4'
(V. Gonano,
Udine, Italy,
20x80
Binoculars);
16.65,
9.1,
4'
(J. Pile,
San Rafael, Bulacan, Philippines,
0.114-m
Newtonian);
16.36,
7.4,
12.6'
(D. Bartlett,
June Lake Overlook (MPC U66),
0.28-m
Schmidt-Cassegrain + CCD);
16.17,
8.4,
16.1'
(M. Mašek,
Paranal,
0.067-m
Camera lens + CCD);
16.17,
9.0,
11.5'
(M. Mašek,
Paranal,
0.067-m
Camera lens + CCD);
16.17,
7.9,
16.1'
(M. Mašek,
Paranal,
0.067-m
Camera lens + CCD);
16.10,
8.2,
11.8'
(N. Paul,
Canary Islands (MPC G40),
0.08-m
Schmidt reflector + CCD);
16.09,
8.9,
6.4'
(W. Kutschera,
0.08-m
Refractor);
16.08,
8.7,
5'
(J. de Souza Aguiar,
25x100
Binoculars);
16.06,
10.0,
3'
(M. Deconinck,
Fernelmont,
0.25-m
Cassegrain reflector);
16.04,
8.3,
15'
(M. Meyer,
0.05-m
Refractor + CCD);
16.03,
8.4,
13'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
16.03,
10.4,
3.8'
(P. Dekelver,
0.3-m
Newtonian + CCD);
16.02,
8.2,
23'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD);
15.76,
8.8,
12'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
15.44,
9.1,
15'
(M. Olason,
Tucson Arizona,
0.05-m
Refractor + CCD);
15.30,
9.8,
2.5'
(D. Svechkarev,
0.11-m
Refractor + CCD);
15.19,
8.3,
14.1'
(N. Paul,
Canary Islands (MPC G40),
0.08-m
Schmidt reflector + CCD);
15.08,
8.6,
5'
(J. de Souza Aguiar,
25x100
Binoculars);
15.08,
8.8,
5.64'
(N. Quinn,
0.28-m
Schmidt-Cassegrain + CCD);
14.96,
9.0,
7'
(V. Gonano,
udine, Italy,
20x80
Binoculars);
14.81,
9.6,
2.8'
(À. Bueno,
AtroGrn Australia,
0.07-m
Refractor + CCD);
14.76,
8.6,
12'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
14.68,
8.6,
7.8'
(T. Yusa,
0.05-m
Refractor + CCD);
14.59,
8.4,
14'
(O. Miyazaki,
18x50
Binoculars);
14.58,
9.9,
8'
(A. Pearce,
Perth Observatory, Bickley (MPC 323),
0.35-m
Schmidt-Cassegrain + CCD);
14.55,
9.5,
5.4'
(O. Miyazaki,
0.32-m
Newtonian);
14.30,
8.9,
3'
(A. Amorim,
0.09-m
Refractor);
14.14,
8.7,
4.4'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
14.12,
8.4,
5.7'
(N. Paul,
Canary Islands (MPC G40),
0.5-m
Cassegrain reflector + CCD);
14.08,
8.5,
6'
(J. de Souza Aguiar,
25x100
Binoculars);
14.08,
8.4,
12.6'
(J. Chambó Bris,
OAV, Valencia, Spain (MPC XXX),
0.2-m
Newtonian + CCD);
14.06,
8.7,
13.3'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
13.99,
12.3,
1.5'
(T. Ferreira,
Dobsonian Power (MPC R39),
0.41-m
Newtonian + CCD);
13.95,
8.8,
8'
(G. Scheerle,
0.235-m
Schmidt-Cassegrain);
13.77,
9.1,
8'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
13.75,
8.6,
12'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
13.70,
7.7,
15.1'
(K. Yoshimoto,
0.065-m
Camera lens + CCD);
13.50,
8.4,
12'
(C. Wyatt,
10x50
Binoculars);
13.17,
9.2,
3'
(M. Goiato,
0.22-m
Newtonian);
13.13,
9.6,
2.9'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
13.10,
8.5,
5.4'
(N. Paul,
Canary Islands (MPC G40),
0.5-m
Cassegrain reflector + CCD);
13.09,
8.7,
5'
(J. de Souza Aguiar,
0.27-m
Newtonian);
13.09,
9.3,
4.5'
(W. Kutschera,
0.08-m
Refractor);
13.04,
8.3,
15.9'
(M. Meyer,
0.05-m
Refractor + CCD);
13.03,
9.8,
4'
(E. Bryssinck,
Brixiis Observatory, Kruibeke (MPC B96),
0.4-m
Newtonian + CCD);
13.01,
8.2,
16.6'
(M. Lošťák,
0.05-m
Refractor + CCD);
13.00,
8.3,
8'
(U. Pilz,
16x70
Binoculars);
13.00,
9.4,
4.5'
(C. Harder,
Jeersdorf f,
0.531-m
Newtonian);
12.99,
8.5,
8'
(A. Kammerer,
Voelkersbach (Black Forest),
0.397-m
Newtonian);
12.97,
9.0,
3'
(V. Gonano,
udine, Italy,
20x80
Binoculars);
12.76,
8.8,
12'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
12.09,
9.3,
4.32'
(N. Quinn,
0.28-m
Schmidt-Cassegrain + CCD);
12.04,
8.8,
--
(G. van Buitenen,
Dordrecht, Sterrenburg (G06),
0.203-m
Ritchey-Chretien + CCD);
12.04,
8.4,
15.3'
(M. Meyer,
0.05-m
Refractor + CCD);
12.03,
10.1,
4.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
12.02,
9.2,
26'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD);
12.02,
8.7,
12'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
12.02,
10.5,
0.8'
(W. Hasubick,
0.44-m
Newtonian);
11.99,
9.4,
5'
(C. Harder,
nahe Westerholz,
0.531-m
Newtonian);
11.94,
8.1,
10.5'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD);
11.77,
8.9,
11'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
11.38,
8.9,
8.6'
(D. Bartlett,
June Lake Overlook (MPC U66),
0.28-m
Schmidt-Cassegrain + CCD);
11.13,
9.7,
1.8'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
11.08,
10.2,
--
(W. Kutschera,
0.25-m
Newtonian);
11.08,
8.1,
13'
(J. Gonzalez Suarez,
10x50
Binoculars);
11.04,
10.8,
3'
(M. Deconinck,
Fernelmont,
0.25-m
Cassegrain reflector);
11.03,
8.9,
5'
(V. Díaz,
La Romana, Alicante, Spain,
0.2-m
Newtonian);
10.97,
9.4,
2.3'
(V. Gonano,
udine, Italy,
20x80
Binoculars);
10.97,
9.3,
5'
(C. Harder,
Jeersdorf f,
0.252-m
Newtonian);
10.94,
9.0,
8'
(G. Scheerle,
0.235-m
Schmidt-Cassegrain);
10.77,
8.9,
11'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
10.67,
8.4,
11.5'
(K. Yoshimoto,
0.3-m
Newtonian + CCD);
10.67,
9.3,
4.5'
(K. Yoshimoto,
0.3-m
Newtonian + CCD);
10.67,
8.8,
8'
(K. Yoshimoto,
0.3-m
Newtonian + CCD);
10.13,
9.9,
2'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
10.10,
9.1,
3'
(M. Goiato,
20x100
Binoculars);
10.08,
9.1,
3'
(J. de Souza Aguiar,
0.27-m
Newtonian);
10.04,
12.8,
2'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
10.02,
8.5,
15'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD);
10.00,
8.5,
13.1'
(M. Meyer,
0.05-m
Refractor + CCD);
09.98,
9.5,
2'
(V. Gonano,
udine, Italy,
20x80
Binoculars);
09.97,
9.8,
6'
(P. Dekelver,
0.3-m
Newtonian + CCD);
09.96,
10.1,
14'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
09.67,
9.9,
4'
(Y. Nagai,
0.05-m
Refractor + CCD);
09.61,
10.1,
1.7'
(O. Miyazaki,
0.32-m
Newtonian);
09.31,
9.0,
11'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD);
09.13,
9.5,
3.5'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
09.10,
9.0,
2'
(A. Amorim,
0.09-m
Refractor);
09.08,
9.1,
3'
(J. de Souza Aguiar,
0.27-m
Newtonian);
09.03,
9.6,
4.8'
(E. Bryssinck,
Brixiis Observatory, Kruibeke (MPC B96),
0.4-m
Newtonian + CCD);
09.00,
9.8,
5.5'
(G. Scheerle,
0.235-m
Schmidt-Cassegrain);
08.96,
8.9,
9'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD);
08.96,
8.5,
11.6'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.03-m
Refractor + CCD);
08.94,
9.2,
4'
(C. Harder,
Jeersdorf f,
0.35-m
Newtonian);
08.93,
6.1,
26.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
08.93,
7.7,
23.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
08.93,
8.1,
24.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
08.92,
9.3,
4'
(E. Banach,
0.25-m
Newtonian);
08.77,
9.0,
10'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
08.60,
10.2,
3.4'
(Y. Nagai,
0.05-m
Refractor + CCD);
08.37,
8.7,
7.4'
(D. Bartlett,
June Lake Overlook (MPC U66),
0.28-m
Schmidt-Cassegrain + CCD);
08.16,
9.3,
2.2'
(A. Ferrao,
0.114-m
Newtonian);
08.09,
9.2,
3'
(J. de Souza Aguiar,
0.27-m
Newtonian);
08.08,
9.0,
2'
(A. Amorim,
0.09-m
Refractor);
07.78,
9.1,
10'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
07.13,
11.4,
0.6'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
07.10,
9.4,
2.8'
(N. Paul,
Canary Islands (MPC G40),
0.5-m
Cassegrain reflector + CCD);
07.09,
9.2,
2'
(J. de Souza Aguiar,
0.27-m
Newtonian);
06.78,
9.1,
10'
(A. Pearce,
Nedlands, Perth, W. Australia (MPC P14),
0.05-m
Refractor + CCD);
06.48,
8.8,
10'
(M. Mattiazzo,
Lake Boga, Victoria,
15x70
Binoculars);
06.47,
8.4,
11.7'
(M. Mattiazzo,
0.28-m
Schmidt reflector + CCD);
06.11,
10.0,
6.6'
(M. Mašek,
Malargue,
0.3-m
Cassegrain reflector + CCD;
2.2'
tail in p.a. 298 deg);
06.11,
8.8,
13.8'
(M. Mašek,
Malargue,
0.3-m
Cassegrain reflector + CCD;
4.3'
tail in p.a. 301 deg);
06.11,
10.2,
7.2'
(M. Mašek,
Malargue (35.49568 S, 69.44945 W); Comet Alt. 27.9; Moon Alt. -8.5,
0.3-m
Cassegrain reflector + CCD);
06.09,
11.9,
0.42'
(À. Bueno,
AstroGRN Trevinca (MPC XX6),
0.12-m
Refractor + CCD);
06.08,
9.3,
2'
(J. de Souza Aguiar,
0.27-m
Newtonian);
05.85,
8.4,
24'
(T. Lehmann,
Hakos (remote),
0.106-m
Refractor + CCD;
2.4° tail in p.a. 266 deg);
05.12,
11.4,
0.6'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
04.97,
10.6,
3'
(G. Scheerle,
0.235-m
Schmidt-Cassegrain);
04.12,
10.4,
1.6'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
03.11,
11.5,
0.35'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
01.95,
9.1,
6.2'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD);
jun
30.11,
12.2,
0.25'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
29.14,
11.4,
0.6'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
29.06,
10.8,
4.5'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
28.68,
10.7,
3.3'
(T. Yusa,
0.05-m
Refractor + CCD);
11P/Tempel-Swift-LINEAR
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
14.25,
20.2,
--
(J. Maikner,
Comet Hunter Observatory2, New Ringgold,
0.3-m
Hyperboloid astro-camera + CCD);
14P/Wolf
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
15.25,
20.2,
--
(J. Maikner,
Comet Hunter Observatory2, New Ringgold,
0.3-m
Hyperboloid astro-camera + CCD);
24P/Schaumasse
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
13.55,
17.4,
0.6'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.35-m
Schmidt-Cassegrain + CCD);
08.87,
17.9,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
08.87,
17.0,
0.6'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
08.86,
17.8,
1'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
06.43,
15.4,
2.2'
(M. Mattiazzo,
0.28-m
Schmidt reflector + CCD);
05.96,
19.9,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
03.78,
15.2,
3'
(T. Lehmann,
Hakos (remote),
0.106-m
Refractor + CCD;
0.06° tail in p.a. 306 deg);
29P/Schwassmann-Wachmann
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
24.48,
14.2,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
23.48,
14.2,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
23.46,
13.8,
0.5'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
22.49,
14.3,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
21.48,
15.9,
0.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
20.48,
15.7,
0.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
15.48,
15.4,
1'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
14.48,
16.0,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
10.49,
15.5,
0.9'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
08.49,
15.4,
1'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
07.49,
14.5,
1.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
06.38,
12.4,
3'
(M. Mattiazzo,
0.28-m
Schmidt reflector + CCD);
03.20,
14.8,
1'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD);
jun
30.50,
15.9,
0.5'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
28.46,
16.2,
0.5'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
40P/Vaisala
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
20.87,
19.1,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
63P/Wild
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
06.37,
15.5,
1'
(M. Mattiazzo,
0.28-m
Schmidt reflector + CCD);
05.98,
14.8,
0.8'
(M. Mašek,
Malargue,
0.107-m
Camera lens + CCD);
03.74,
13.0,
4.7'
(T. Lehmann,
Hakos (remote),
0.106-m
Refractor + CCD);
03.17,
15.1,
0.5'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD);
65P/Gunn
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
23.11,
19.7,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
13.17,
19.7,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
78P/Gehrels
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
20.35,
12.9,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
19.77,
14.0,
0.7'
(T. Yusa,
0.05-m
Refractor + CCD);
19.35,
12.8,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
18.35,
13.1,
3.3'
(W. Souza,
0.05-m
Refractor + CCD);
18.35,
12.6,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
17.35,
12.6,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
16.35,
12.7,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
15.45,
13.4,
0.7'
(M. Olason,
Tucson Arizona,
0.05-m
Refractor + CCD);
15.35,
12.7,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
14.35,
12.7,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
10.35,
12.8,
1'
(J. de Souza Aguiar,
0.3-m
Newtonian);
09.34,
12.8,
1'
(J. de Souza Aguiar,
0.3-m
Newtonian);
07.93,
13.9,
0.6'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
07.46,
13.5,
0.7'
(M. Olason,
Tucson Arizona,
0.05-m
Refractor + CCD);
06.93,
14.3,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
03.35,
12.8,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
02.35,
12.8,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
01.35,
12.9,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
jun
30.35,
13.0,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
29.46,
13.0,
0.8'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD;
2'
tail in p.a. 260 deg);
88P/Howell
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
24.87,
13.2,
1.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
1.3'
tail in p.a. 243 deg);
24.83,
12.9,
2'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
8.7'
tail in p.a. 248 deg);
24.77,
12.9,
2'
(K. Yoshimoto,
0.3-m
Newtonian + CCD;
14'
tail in p.a. 250 deg);
23.87,
13.4,
1.3'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
1.6'
tail in p.a. 242 deg);
22.87,
13.3,
1.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
2.4'
tail in p.a. 241 deg);
22.74,
12.9,
1.6'
(O. Miyazaki,
0.32-m
Newtonian);
22.25,
12.7,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
21.87,
13.0,
1.5'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
21.86,
13.2,
1.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
1.6'
tail in p.a. 238 deg);
21.78,
11.9,
4'
(R. Ramlow,
Q62,
0.106-m
Refractor + CCD;
14.2'
tail in p.a. 248 deg);
21.74,
13.1,
0.9'
(O. Miyazaki,
0.32-m
Newtonian);
21.25,
12.5,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
20.29,
12.5,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
20.14,
11.6,
3.8'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
19.74,
12.6,
1.5'
(Y. Nagai,
0.05-m
Refractor + CCD);
19.29,
12.4,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
19.07,
13.5,
1.5'
(P. Dekelver,
0.3-m
Newtonian + CCD);
18.37,
11.5,
4'
(W. Souza,
0.05-m
Refractor + CCD);
18.29,
12.4,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
18.17,
15.2,
0.45'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
18.03,
10.7,
9.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2.1'
tail in p.a. 247 deg);
18.03,
11.8,
8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
5'
tail in p.a. 250 deg);
17.29,
12.4,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
17.08,
14.9,
0.45'
(P. Dekelver,
0.3-m
Newtonian + CCD);
16.37,
12.7,
2.8'
(M. Mašek,
Paranal,
0.067-m
Camera lens + CCD;
2.5'
tail in p.a. 248 deg);
16.36,
11.5,
5.5'
(M. Mašek,
Paranal,
0.067-m
Camera lens + CCD);
16.29,
12.3,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
15.46,
12.5,
2'
(M. Olason,
Tucson Arizona,
0.05-m
Refractor + CCD;
6'
tail in p.a. 252 deg);
15.29,
12.3,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
14.87,
12.7,
2'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
14.87,
12.9,
1.5'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
2.2'
tail in p.a. 247 deg);
14.75,
12.9,
1.6'
(T. Yusa,
0.05-m
Refractor + CCD);
14.29,
12.3,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
14.12,
12.3,
3.4'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
13.87,
12.5,
1.8'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
13.87,
13.2,
1.2'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
13.06,
13.8,
1'
(P. Dekelver,
0.3-m
Newtonian + CCD);
12.87,
12.8,
1.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
11.07,
13.9,
1'
(P. Dekelver,
0.3-m
Newtonian + CCD);
10.87,
12.7,
1.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
10.29,
12.2,
1'
(J. de Souza Aguiar,
0.3-m
Newtonian);
09.74,
12.6,
1.5'
(Y. Nagai,
0.05-m
Refractor + CCD);
08.87,
12.6,
1.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
07.86,
12.4,
2'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
06.87,
12.4,
2'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
02.33,
12.1,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
01.29,
12.0,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
jun
30.29,
12.0,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
29.43,
12.3,
2.3'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD;
3'
tail in p.a. 253 deg);
29.20,
13.9,
1.1'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
28.74,
12.3,
1.8'
(T. Yusa,
0.05-m
Refractor + CCD);
28.20,
13.7,
1.3'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
95P/Chiron
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
18.02,
19.4,
0.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
107P/Wilson-Harrington
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
15.91,
19.3,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
04.98,
19.1,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
139P/Vaisala-Oterma
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
24.25,
21.0,
--
(J. Maikner,
Comet Hunter Observatory2, New Ringgold,
0.3-m
Hyperboloid astro-camera + CCD);
161P/Hartley-IRAS
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
24.79,
17.4,
0.5'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
24.79,
17.7,
0.4'
(K. Yoshimoto,
0.3-m
Newtonian + CCD);
20.73,
17.6,
0.45'
(K. Yoshimoto,
0.51-m
Newtonian + CCD;
0.7'
tail in p.a. 225 deg);
14.85,
18.2,
0.25'
(A. Pearce,
Perth Observatory, Bickley (MPC 323),
0.35-m
Schmidt-Cassegrain + CCD);
13.36,
18.2,
0.3'
(M. Mašek,
Malargue,
0.3-m
Cassegrain reflector + CCD);
169P/NEAT
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
27.09,
15.2,
0.31'
(À. Bueno,
Tevinca,
0.073-m
Refractor + CCD);
26.92,
15.0,
0.38'
(N. Quinn,
0.28-m
Schmidt-Cassegrain + CCD;
35" tail in p.a. 144 deg);
23.93,
14.9,
0.38'
(N. Quinn,
0.28-m
Schmidt-Cassegrain + CCD);
22.92,
15.1,
0.31'
(À. Bueno,
Tevinca,
0.073-m
Refractor + CCD);
22.90,
15.7,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
22.00,
15.6,
0.47'
(M. Meyer,
0.05-m
Refractor + CCD);
21.59,
14.9,
0.5'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
0.6'
tail in p.a. 137 deg);
21.03,
14.9,
0.21'
(E. Bryssinck,
Brixiis Observatory, Kruibeke (MPC B96),
0.4-m
Newtonian + CCD);
20.85,
15.5,
0.25'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
20.51,
15.5,
0.37'
(Y. Yamaguchi,
0.13-m
Hyperboloid astro-camera + CCD);
20.01,
14.8,
0.4'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
20.00,
15.5,
0.5'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD);
20.00,
15.6,
0.4'
(M. Meyer,
0.05-m
Refractor + CCD);
19.95,
15.5,
0.37'
(P. Dekelver,
0.3-m
Newtonian + CCD);
19.59,
15.5,
0.3'
(T. Yusa,
0.05-m
Refractor + CCD);
18.03,
14.9,
1'
(W. Souza,
0.05-m
Refractor + CCD);
17.96,
15.9,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
17.95,
15.9,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
17.95,
15.5,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
17.95,
14.6,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
17.92,
15.9,
0.23'
(S. Shurpakov,
0.41-m
Newtonian + CCD);
17.90,
15.5,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
16.01,
15.7,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
16.01,
15.5,
0.32'
(M. Meyer,
0.05-m
Refractor + CCD);
15.98,
15.6,
0.5'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD);
15.01,
15.6,
0.5'
(W. Kutschera,
0.508-m
Newtonian + CCD);
14.90,
15.6,
0.21'
(E. Bryssinck,
Brixiis Observatory, Kruibeke (MPC B96),
0.4-m
Newtonian + CCD);
14.63,
15.6,
0.3'
(T. Yusa,
0.05-m
Refractor + CCD);
14.57,
15.7,
0.3'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
14.03,
15.2,
0.4'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
13.97,
15.3,
0.7'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
13.92,
15.8,
0.3'
(M. Mašek,
CTA-N La Palma,
0.25-m
Schmidt-Cassegrain + CCD);
13.92,
15.4,
0.3'
(M. Mašek,
CTA-N La Palma,
0.25-m
Schmidt-Cassegrain + CCD);
13.90,
15.2,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
13.90,
16.2,
0.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
13.90,
16.3,
0.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
13.68,
15.9,
0.3'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
13.01,
15.7,
0.6'
(W. Kutschera,
0.508-m
Newtonian + CCD);
12.97,
16.0,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
12.96,
15.7,
0.1'
(C. Harder,
Jeersdorf f,
0.531-m
Newtonian);
12.01,
15.9,
0.4'
(M. Meyer,
0.05-m
Refractor + CCD);
11.99,
15.0,
--
(G. van Buitenen,
Dordrecht, Sterrenburg (G06),
0.203-m
Ritchey-Chretien + CCD);
11.98,
15.5,
0.1'
(C. Harder,
nahe Westerholz,
0.531-m
Newtonian);
11.96,
14.8,
0.4'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
11.51,
16.0,
0.2'
(K. Yoshimoto,
0.3-m
Newtonian + CCD);
10.97,
16.6,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
10.54,
15.8,
0.4'
(T. Yusa,
0.05-m
Refractor + CCD);
09.99,
16.0,
0.5'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD);
09.97,
14.9,
0.4'
(M. Lošťák,
0.2-m
Newtonian + CCD);
09.97,
15.7,
0.4'
(M. Lošťák,
0.2-m
Newtonian + CCD);
09.96,
15.8,
0.4'
(M. Meyer,
0.05-m
Refractor + CCD);
09.93,
16.6,
1.2'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
09.04,
16.5,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
08.57,
15.6,
0.4'
(T. Yusa,
0.05-m
Refractor + CCD);
08.25,
16.1,
0.25'
(D. Bartlett,
June Lake Overlook (MPC U66),
0.28-m
Schmidt-Cassegrain + CCD);
06.46,
16.3,
0.42'
(M. Mattiazzo,
0.28-m
Schmidt reflector + CCD);
05.82,
16.1,
0.4'
(T. Lehmann,
Hakos (remote),
0.106-m
Refractor + CCD);
04.95,
16.3,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
03.95,
16.2,
0.6'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD);
03.22,
15.6,
0.35'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD);
03.05,
17.2,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
02.01,
16.6,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
jun
29.02,
15.6,
0.4'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
28.66,
16.8,
0.4'
(T. Yusa,
0.05-m
Refractor + CCD);
220P/McNaught
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
27.14,
11.9,
2.9'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
6'
tail in p.a. 253 deg);
26.14,
12.1,
1.8'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
26.04,
14.2,
0.9'
(M. Meyer,
0.05-m
Refractor + CCD;
1'
tail in p.a. 255 deg);
25.79,
13.8,
1'
(K. Yoshimoto,
0.3-m
Newtonian + CCD;
12'
tail in p.a. 250 deg);
24.82,
14.3,
0.9'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
1.4'
tail in p.a. 252 deg);
24.81,
14.1,
1'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
4.1'
tail in p.a. 251 deg);
24.04,
13.8,
0.9'
(M. Meyer,
0.05-m
Refractor + CCD;
1.2'
tail in p.a. 249 deg);
23.82,
14.2,
1'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
1.2'
tail in p.a. 247 deg);
23.16,
15.8,
0.45'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
23.13,
12.4,
1.7'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
3.5'
tail in p.a. 253 deg);
22.82,
14.1,
1'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
0.9'
tail in p.a. 242 deg);
22.73,
13.5,
1.4'
(O. Miyazaki,
0.32-m
Newtonian);
22.70,
12.4,
2.7'
(R. Ramlow,
Q62,
0.106-m
Refractor + CCD;
10.9'
tail in p.a. 253 deg);
22.31,
13.0,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
22.13,
12.3,
2'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
10'
tail in p.a. 251 deg);
21.84,
14.0,
1'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
1.1'
tail in p.a. 248 deg);
21.81,
13.9,
1'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
1.1'
tail in p.a. 244 deg);
21.78,
12.3,
2.5'
(R. Ramlow,
Q62,
0.106-m
Refractor + CCD;
14'
tail in p.a. 254 deg);
21.73,
13.3,
0.9'
(O. Miyazaki,
0.32-m
Newtonian);
21.71,
14.1,
0.9'
(T. Yusa,
0.05-m
Refractor + CCD;
2.1'
tail in p.a. 249 deg);
21.31,
13.0,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
21.13,
10.1,
2'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
7'
tail in p.a. 254 deg);
21.05,
14.7,
0.5'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD;
0.9'
tail in p.a. 256 deg);
20.75,
14.7,
0.5'
(K. Yoshimoto,
0.3-m
Newtonian + CCD;
3'
tail in p.a. 245 deg);
20.31,
12.8,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
20.13,
11.0,
2.3'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
4.5'
tail in p.a. 251 deg);
20.10,
12.5,
2.3'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
20.03,
15.7,
0.45'
(P. Dekelver,
0.3-m
Newtonian + CCD;
2.5'
tail in p.a. 252 deg);
19.73,
13.5,
1.6'
(Y. Nagai,
0.05-m
Refractor + CCD);
19.32,
12.7,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
19.13,
11.6,
2'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
4.6'
tail in p.a. 256 deg);
18.32,
12.7,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
18.02,
11.3,
8.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
4.6'
tail in p.a. 252 deg);
18.01,
12.6,
5.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
5.1'
tail in p.a. 250 deg);
18.01,
11.8,
6.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2.5'
tail in p.a. 250 deg);
17.31,
12.6,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
17.05,
14.4,
0.7'
(P. Dekelver,
0.3-m
Newtonian + CCD);
16.31,
12.6,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
16.05,
12.0,
5.6'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.11° tail in p.a. 250 deg);
15.48,
13.2,
1.3'
(M. Olason,
Tucson Arizona,
0.05-m
Refractor + CCD;
2'
tail in p.a. 253 deg);
15.30,
12.5,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
14.82,
13.9,
1'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
1.9'
tail in p.a. 243 deg);
14.82,
13.7,
1'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
1.4'
tail in p.a. 249 deg);
14.29,
12.5,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
14.12,
12.6,
0.7'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
1.3'
tail in p.a. 254 deg);
14.08,
13.0,
2'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
13.82,
13.7,
1'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
1.5'
tail in p.a. 251 deg);
13.82,
13.5,
1.2'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
1.4'
tail in p.a. 250 deg);
13.20,
14.9,
1'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
12.82,
13.5,
1.2'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
12.07,
14.2,
1'
(P. Dekelver,
0.3-m
Newtonian + CCD;
3'
tail in p.a. 251 deg);
11.83,
13.9,
0.8'
(A. Pearce,
Nedlands, Perth, W. Australia (MPC P14),
0.05-m
Refractor + CCD;
1.9'
tail in p.a. 249 deg);
11.45,
13.2,
1.4'
(D. Bartlett,
June Lake Overlook (MPC U66),
0.28-m
Schmidt-Cassegrain + CCD;
31.1'
tail in p.a. 250 deg);
10.83,
13.6,
1'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
2'
tail in p.a. 257 deg);
10.45,
13.5,
0.8'
(D. Bartlett,
June Lake Overlook (MPC U66),
0.28-m
Schmidt-Cassegrain + CCD;
11.2'
tail in p.a. 252 deg);
10.28,
12.3,
1'
(J. de Souza Aguiar,
0.3-m
Newtonian);
10.14,
13.4,
0.9'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
1.7'
tail in p.a. 246 deg);
10.05,
11.9,
4.4'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.08° tail in p.a. 250 deg);
10.04,
13.7,
1'
(P. Dekelver,
0.3-m
Newtonian + CCD;
2.5'
tail in p.a. 254 deg);
10.04,
13.2,
1'
(M. Meyer,
0.05-m
Refractor + CCD;
0.8'
tail in p.a. 256 deg);
09.72,
13.0,
1'
(Y. Nagai,
0.05-m
Refractor + CCD);
09.38,
12.7,
1.7'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD;
2'
tail in p.a. 252 deg);
09.14,
13.0,
0.6'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
1.2'
tail in p.a. 249 deg);
08.83,
13.7,
0.9'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
0.9'
tail in p.a. 241 deg);
07.82,
13.3,
0.9'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
1.5'
tail in p.a. 242 deg);
07.14,
12.5,
0.7'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
1.5'
tail in p.a. 251 deg);
06.83,
13.5,
0.9'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
1.4'
tail in p.a. 245 deg);
06.15,
12.5,
0.9'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
2'
tail in p.a. 251 deg);
05.16,
14.4,
0.3'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
05.13,
13.1,
0.8'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
2.6'
tail in p.a. 250 deg);
04.06,
12.5,
1.8'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
2.1'
tail in p.a. 246 deg);
03.06,
14.2,
0.6'
(P. Dekelver,
0.3-m
Newtonian + CCD;
1.4'
tail in p.a. 254 deg);
02.32,
11.8,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
01.28,
11.8,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
jun
30.28,
11.7,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
30.13,
12.7,
0.8'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
6'
tail in p.a. 252 deg);
29.43,
12.4,
1.7'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD;
10'
tail in p.a. 248 deg);
29.10,
13.0,
1.3'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
28.72,
12.3,
1.4'
(T. Yusa,
0.05-m
Refractor + CCD;
2'
tail in p.a. 247 deg);
28.13,
13.9,
0.4'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
0.9'
tail in p.a. 249 deg);
235P/LINEAR
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
22.60,
16.5,
0.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
21.60,
16.3,
0.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
20.90,
15.9,
0.29'
(E. Bryssinck,
Brixiis Observatory, Kruibeke (MPC B96),
0.4-m
Newtonian + CCD);
20.60,
15.9,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
19.91,
14.3,
1.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
19.90,
15.3,
1.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
19.90,
15.9,
1.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
19.60,
15.5,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
17.88,
17.2,
0.35'
(S. Shurpakov,
0.41-m
Newtonian + CCD);
15.97,
16.4,
0.37'
(P. Dekelver,
0.3-m
Newtonian + CCD);
15.95,
16.5,
0.5'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
15.58,
16.0,
0.6'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
14.60,
15.7,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
14.51,
15.7,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD);
14.46,
15.5,
0.8'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
0.7'
tail in p.a. 144 deg);
13.96,
15.4,
0.6'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
13.89,
15.9,
1.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.3'
tail in p.a. 162 deg);
13.89,
14.6,
1.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.4'
tail in p.a. 160 deg);
13.89,
15.6,
1.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.4'
tail in p.a. 154 deg);
13.63,
15.7,
0.6'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.35-m
Schmidt-Cassegrain + CCD;
0.8'
tail in p.a. 149 deg);
13.60,
15.6,
0.6'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
12.60,
15.6,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
12.01,
16.5,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
11.96,
16.6,
--
(G. van Buitenen,
Dordrecht, Sterrenburg (G06),
0.203-m
Ritchey-Chretien + CCD);
11.61,
15.7,
0.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
10.61,
16.0,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
10.02,
16.1,
0.45'
(P. Dekelver,
0.3-m
Newtonian + CCD);
09.90,
15.7,
2'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
09.59,
15.9,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD);
08.61,
15.6,
0.6'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
07.63,
15.7,
0.6'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
0.9'
tail in p.a. 128 deg);
06.63,
15.7,
0.6'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
06.45,
14.5,
1'
(M. Mattiazzo,
0.28-m
Schmidt reflector + CCD);
04.03,
16.3,
0.34'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
04.02,
16.3,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
03.98,
16.2,
0.28'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD);
02.99,
15.8,
0.45'
(P. Dekelver,
0.3-m
Newtonian + CCD);
02.76,
14.2,
2.1'
(T. Lehmann,
Hakos (remote),
0.106-m
Refractor + CCD;
0.32° tail in p.a. 261 deg);
01.96,
15.6,
0.6'
(P. Dekelver,
0.3-m
Newtonian + CCD);
01.94,
15.3,
0.8'
(M. Meyer,
0.05-m
Refractor + CCD);
jun
29.35,
14.7,
0.7'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD);
245P/WISE
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
10.07,
19.8,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
260P/McNaught
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
24.87,
14.7,
0.6'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
5.9'
tail in p.a. 246 deg);
23.18,
15.4,
0.45'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
21.86,
14.9,
0.6'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
5.4'
tail in p.a. 245 deg);
21.79,
14.6,
0.8'
(R. Ramlow,
Q62,
0.106-m
Refractor + CCD;
5'
tail in p.a. 247 deg);
20.79,
14.7,
0.4'
(K. Yoshimoto,
0.3-m
Newtonian + CCD;
0.7'
tail in p.a. 240 deg);
19.02,
15.4,
0.6'
(P. Dekelver,
0.3-m
Newtonian + CCD;
1'
tail in p.a. 250 deg);
18.01,
14.6,
0.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2.2'
tail in p.a. 246 deg);
18.00,
15.5,
0.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
4.4'
tail in p.a. 245 deg);
18.00,
15.5,
0.6'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2'
tail in p.a. 242 deg);
17.03,
15.4,
0.45'
(P. Dekelver,
0.3-m
Newtonian + CCD);
16.20,
15.6,
0.5'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
15.47,
14.5,
0.5'
(M. Olason,
Tucson Arizona,
0.05-m
Refractor + CCD);
14.87,
14.9,
0.6'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
3.6'
tail in p.a. 243 deg);
14.11,
15.6,
0.4'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
13.87,
15.7,
0.35'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.35-m
Schmidt-Cassegrain + CCD);
13.05,
15.3,
0.5'
(P. Dekelver,
0.3-m
Newtonian + CCD;
1.6'
tail in p.a. 240 deg);
12.06,
15.0,
0.8'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
2.1'
tail in p.a. 241 deg);
11.04,
15.4,
0.45'
(P. Dekelver,
0.3-m
Newtonian + CCD;
1.2'
tail in p.a. 245 deg);
09.75,
15.1,
0.4'
(Y. Nagai,
0.05-m
Refractor + CCD);
09.44,
14.8,
0.5'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD;
3'
tail in p.a. 256 deg);
04.06,
15.9,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD;
0.7'
tail in p.a. 243 deg);
jun
29.44,
14.8,
0.5'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD;
1'
tail in p.a. 249 deg);
C/2014 UN271 (Bernardinelli-Bernstein)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
21.80,
13.8,
1.3'
(R. Ramlow,
Q62,
0.106-m
Refractor + CCD);
C/2021 G2 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
24.90,
15.2,
1.2'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
23.50,
15.8,
0.6'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
21.96,
16.2,
0.47'
(M. Meyer,
0.05-m
Refractor + CCD);
20.94,
15.7,
0.46'
(E. Bryssinck,
Brixiis Observatory, Kruibeke (MPC B96),
0.4-m
Newtonian + CCD);
19.99,
16.6,
0.4'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
19.96,
15.9,
0.6'
(M. Meyer,
0.05-m
Refractor + CCD);
19.95,
15.2,
1.7'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.06° tail in p.a. 236 deg);
19.91,
15.8,
0.7'
(P. Dekelver,
0.3-m
Newtonian + CCD;
2.1'
tail in p.a. 229 deg);
19.91,
16.7,
0.4'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
17.94,
15.7,
0.7'
(P. Dekelver,
0.3-m
Newtonian + CCD;
3.5'
tail in p.a. 234 deg);
17.91,
16.6,
0.43'
(S. Shurpakov,
0.41-m
Newtonian + CCD);
15.99,
16.2,
0.37'
(P. Dekelver,
0.3-m
Newtonian + CCD);
15.96,
16.2,
0.47'
(M. Meyer,
0.05-m
Refractor + CCD);
14.59,
16.2,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD);
14.49,
15.8,
0.6'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
13.98,
15.7,
0.6'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
13.97,
15.5,
0.7'
(M. Mašek,
CTA-N La Palma,
0.25-m
Schmidt-Cassegrain + CCD;
0.5'
tail in p.a. 240 deg);
13.97,
16.2,
0.7'
(M. Mašek,
CTA-N La Palma,
0.25-m
Schmidt-Cassegrain + CCD;
0.7'
tail in p.a. 240 deg);
13.88,
15.9,
2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2.5'
tail in p.a. 223 deg);
13.88,
15.0,
1.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2.3'
tail in p.a. 222 deg);
13.88,
15.6,
1.6'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2'
tail in p.a. 225 deg);
13.67,
15.7,
0.6'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
12.97,
15.6,
0.6'
(M. Meyer,
0.05-m
Refractor + CCD);
12.92,
16.8,
0.28'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
11.98,
16.2,
0.47'
(M. Meyer,
0.05-m
Refractor + CCD);
10.95,
15.6,
0.8'
(P. Dekelver,
0.3-m
Newtonian + CCD;
1.2'
tail in p.a. 218 deg);
09.94,
15.1,
1.3'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.07° tail in p.a. 229 deg);
09.93,
15.8,
1.5'
(M. Lošťák,
0.2-m
Newtonian + CCD);
09.92,
16.0,
2'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
09.02,
15.9,
0.6'
(P. Dekelver,
0.3-m
Newtonian + CCD;
1'
tail in p.a. 217 deg);
08.91,
14.2,
2.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1'
tail in p.a. 218 deg);
08.91,
15.1,
2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1'
tail in p.a. 218 deg);
08.90,
15.8,
2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.1'
tail in p.a. 220 deg);
06.45,
15.2,
1'
(M. Mattiazzo,
0.28-m
Schmidt reflector + CCD;
0.8'
tail in p.a. 222 deg);
04.01,
16.7,
0.28'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
03.22,
15.4,
0.7'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD);
03.03,
16.1,
0.45'
(P. Dekelver,
0.3-m
Newtonian + CCD);
02.02,
15.5,
0.6'
(M. Meyer,
0.05-m
Refractor + CCD);
jun
29.00,
15.4,
0.4'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
28.62,
15.1,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD);
28.57,
15.1,
0.7'
(T. Yusa,
0.05-m
Refractor + CCD);
27.97,
15.5,
0.7'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
C/2022 E2 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
21.07,
17.8,
0.29'
(E. Bryssinck,
Brixiis Observatory, Kruibeke (MPC B96),
0.4-m
Newtonian + CCD);
20.91,
16.8,
0.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
20.90,
17.7,
0.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
20.90,
17.5,
0.6'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
18.88,
17.9,
0.4'
(S. Shurpakov,
0.41-m
Newtonian + CCD);
17.98,
17.9,
0.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
13.93,
18.1,
0.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
10.15,
17.9,
0.34'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
09.95,
17.5,
0.37'
(P. Dekelver,
0.3-m
Newtonian + CCD);
09.35,
16.6,
0.6'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD);
03.97,
17.1,
0.45'
(P. Dekelver,
0.3-m
Newtonian + CCD);
C/2022 QE78 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
03.87,
16.5,
0.28'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD);
03.18,
15.3,
0.7'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD);
C/2023 A3 (Tsuchinshan-ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
20.91,
20.3,
0.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
C/2023 C2 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
17.97,
19.1,
0.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
16.17,
18.3,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
05.15,
18.6,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
C/2023 H5 (Lemmon)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
21.05,
18.8,
0.25'
(E. Bryssinck,
Brixiis Observatory, Kruibeke (MPC B96),
0.4-m
Newtonian + CCD);
17.98,
19.2,
0.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.4'
tail in p.a. 342 deg);
10.03,
18.8,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
C/2023 R1 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
22.95,
14.3,
0.31'
(À. Bueno,
Tevinca,
0.073-m
Refractor + CCD);
22.69,
13.9,
0.8'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
0.8'
tail in p.a. 70 deg);
21.92,
14.1,
0.7'
(M. Meyer,
0.05-m
Refractor + CCD;
0.4'
tail in p.a. 77 deg);
21.66,
13.7,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
21.54,
13.9,
0.65'
(Y. Yamaguchi,
0.13-m
Hyperboloid astro-camera + CCD);
21.51,
13.9,
0.7'
(T. Yusa,
0.05-m
Refractor + CCD);
20.88,
14.2,
0.6'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD;
0.7'
tail in p.a. 80 deg);
20.88,
13.9,
0.5'
(E. Bryssinck,
Brixiis Observatory, Kruibeke (MPC B96),
0.4-m
Newtonian + CCD);
20.69,
14.1,
0.8'
(A. Pearce,
Nedlands, Perth, W. Australia (MPC P14),
0.05-m
Refractor + CCD;
1.7'
tail in p.a. 85 deg);
20.51,
14.0,
0.9'
(T. Yusa,
0.05-m
Refractor + CCD);
19.97,
13.5,
0.6'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
19.92,
13.7,
0.9'
(M. Meyer,
0.05-m
Refractor + CCD;
0.7'
tail in p.a. 72 deg);
19.89,
14.6,
1.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2.3'
tail in p.a. 79 deg);
19.89,
13.9,
0.8'
(P. Dekelver,
0.3-m
Newtonian + CCD;
2.1'
tail in p.a. 76 deg);
19.89,
13.0,
2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2.3'
tail in p.a. 80 deg);
19.89,
14.3,
1.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.8'
tail in p.a. 77 deg);
19.68,
13.6,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
19.53,
13.7,
0.5'
(Y. Nagai,
0.05-m
Refractor + CCD);
19.52,
13.3,
0.9'
(T. Yusa,
0.05-m
Refractor + CCD);
18.94,
14.1,
0.7'
(P. Dekelver,
0.3-m
Newtonian + CCD);
18.52,
13.9,
0.8'
(Y. Nagai,
0.05-m
Refractor + CCD);
18.01,
13.0,
2.9'
(W. Souza,
0.05-m
Refractor + CCD);
17.97,
13.5,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
17.90,
14.0,
0.7'
(E. Bryssinck,
Brixiis Observatory, Kruibeke (MPC B96),
0.4-m
Newtonian + CCD);
17.86,
14.7,
0.33'
(S. Shurpakov,
0.41-m
Newtonian + CCD;
0.3'
tail in p.a. 84 deg);
16.97,
13.5,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
16.95,
14.2,
0.6'
(P. Dekelver,
0.3-m
Newtonian + CCD;
1'
tail in p.a. 78 deg);
16.93,
13.4,
0.56'
(N. Quinn,
0.28-m
Schmidt-Cassegrain + CCD);
15.92,
13.4,
1'
(M. Meyer,
0.05-m
Refractor + CCD;
0.7'
tail in p.a. 80 deg);
15.92,
13.9,
0.38'
(N. Quinn,
0.28-m
Schmidt-Cassegrain + CCD);
15.90,
13.6,
1.6'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.08° tail in p.a. 74 deg);
15.69,
13.6,
0.6'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
1.1'
tail in p.a. 78 deg);
15.10,
13.7,
--
(J. Maikner,
Comet Hunter Observatory2, New Ringgold,
0.3-m
Hyperboloid astro-camera + CCD);
14.96,
13.4,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
14.92,
13.9,
0.38'
(N. Quinn,
0.28-m
Schmidt-Cassegrain + CCD);
14.91,
13.6,
0.6'
(E. Bryssinck,
Brixiis Observatory, Kruibeke (MPC B96),
0.4-m
Newtonian + CCD);
14.69,
13.8,
0.9'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
1.4'
tail in p.a. 79 deg);
14.55,
13.7,
1'
(T. Yusa,
0.05-m
Refractor + CCD);
14.51,
13.5,
0.9'
(O. Miyazaki,
0.32-m
Newtonian);
14.50,
13.6,
1'
(T. Yusa,
0.05-m
Refractor + CCD);
14.48,
13.8,
0.8'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
2.4'
tail in p.a. 75 deg);
13.94,
13.1,
1.1'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
13.90,
13.9,
0.9'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
13.87,
13.5,
1.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.2'
tail in p.a. 80 deg);
13.87,
14.2,
1.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.4'
tail in p.a. 74 deg);
13.86,
14.6,
1.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.6'
tail in p.a. 82 deg);
13.68,
13.7,
0.8'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
0.8'
tail in p.a. 83 deg);
13.65,
14.0,
0.7'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
1.5'
tail in p.a. 78 deg);
13.49,
13.0,
0.8'
(C. Wyatt,
0.4-m
Newtonian;
1'
tail in p.a. 72 deg);
13.00,
14.6,
1'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
12.94,
13.4,
1'
(C. Harder,
Jeersdorf f,
0.531-m
Newtonian);
12.92,
13.5,
0.5'
(E. Bryssinck,
Brixiis Observatory, Kruibeke (MPC B96),
0.4-m
Newtonian + CCD);
12.68,
13.7,
0.8'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
1.1'
tail in p.a. 91 deg);
11.99,
13.7,
0.8'
(P. Dekelver,
0.3-m
Newtonian + CCD;
1.9'
tail in p.a. 72 deg);
11.94,
13.2,
0.6'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
11.94,
13.5,
1.5'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.07° tail in p.a. 71 deg);
11.94,
13.6,
1'
(M. Meyer,
0.05-m
Refractor + CCD;
0.8'
tail in p.a. 76 deg);
11.93,
13.3,
--
(G. van Buitenen,
Dordrecht, Sterrenburg (G06),
0.203-m
Ritchey-Chretien + CCD);
11.89,
13.8,
0.9'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD;
0.9'
tail in p.a. 75 deg);
11.69,
13.8,
0.8'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
1.6'
tail in p.a. 78 deg);
10.69,
13.8,
0.8'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
1.5'
tail in p.a. 75 deg);
10.51,
13.4,
0.8'
(K. Yoshimoto,
0.3-m
Newtonian + CCD;
1.4'
tail in p.a. 78 deg);
10.51,
13.2,
0.5'
(O. Miyazaki,
0.32-m
Newtonian);
10.50,
13.8,
0.9'
(T. Yusa,
0.05-m
Refractor + CCD);
10.01,
14.1,
0.6'
(P. Dekelver,
0.3-m
Newtonian + CCD;
1.4'
tail in p.a. 74 deg);
09.90,
13.4,
1.7'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.1° tail in p.a. 74 deg);
09.89,
14.9,
3.2'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
3.2'
tail in p.a. 73 deg);
09.89,
13.4,
1.5'
(M. Lošťák,
0.2-m
Newtonian + CCD);
09.89,
14.6,
1.1'
(M. Lošťák,
0.2-m
Newtonian + CCD);
09.56,
13.6,
0.7'
(Y. Nagai,
0.05-m
Refractor + CCD;
1'
tail in p.a. 70 deg);
09.23,
13.3,
0.7'
(D. Bartlett,
June Lake Overlook (MPC U66),
0.28-m
Schmidt-Cassegrain + CCD;
7.4'
tail in p.a. 69 deg);
08.98,
14.1,
0.6'
(P. Dekelver,
0.3-m
Newtonian + CCD;
0.8'
tail in p.a. 80 deg);
08.92,
13.3,
0.7'
(E. Bryssinck,
Brixiis Observatory, Kruibeke (MPC B96),
0.4-m
Newtonian + CCD;
1'
tail in p.a. 72 deg);
08.91,
14.0,
0.6'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD;
1.1'
tail in p.a. 72 deg);
08.88,
13.9,
1.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.5'
tail in p.a. 78 deg);
08.88,
13.1,
1.1'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1'
tail in p.a. 73 deg);
08.87,
14.4,
1.1'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2.5'
tail in p.a. 74 deg);
08.69,
13.7,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
08.58,
13.5,
0.7'
(Y. Nagai,
0.05-m
Refractor + CCD;
1.5'
tail in p.a. 75 deg);
07.71,
13.6,
0.8'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
1.6'
tail in p.a. 70 deg);
06.71,
13.6,
0.8'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
1.9'
tail in p.a. 73 deg);
06.44,
13.3,
1.2'
(M. Mattiazzo,
0.28-m
Schmidt reflector + CCD;
6'
tail in p.a. 69 deg);
06.04,
14.0,
0.7'
(M. Mašek,
Malargue,
0.3-m
Cassegrain reflector + CCD;
0.9'
tail in p.a. 78 deg);
06.04,
13.6,
0.7'
(M. Mašek,
Malargue,
0.3-m
Cassegrain reflector + CCD;
0.7'
tail in p.a. 81 deg);
05.80,
13.5,
1.3'
(T. Lehmann,
Hakos (remote),
0.106-m
Refractor + CCD;
0.1° tail in p.a. 73 deg);
04.05,
14.0,
0.6'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
04.04,
14.1,
0.6'
(P. Dekelver,
0.3-m
Newtonian + CCD;
1.1'
tail in p.a. 74 deg);
03.99,
13.9,
0.6'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD;
0.3'
tail in p.a. 78 deg);
03.98,
13.5,
1.4'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.06° tail in p.a. 69 deg);
03.01,
13.8,
0.8'
(P. Dekelver,
0.3-m
Newtonian + CCD;
1.9'
tail in p.a. 73 deg);
01.98,
13.9,
0.6'
(P. Dekelver,
0.3-m
Newtonian + CCD;
1.2'
tail in p.a. 82 deg);
01.98,
13.2,
1'
(M. Meyer,
0.05-m
Refractor + CCD;
0.4'
tail in p.a. 76 deg);
01.90,
13.7,
0.7'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD;
0.9'
tail in p.a. 74 deg);
jun
30.91,
14.1,
0.44'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
29.35,
13.0,
0.9'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD;
1'
tail in p.a. 78 deg);
28.98,
13.7,
0.4'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
C/2023 T3 (Fuls)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
12.91,
20.0,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
C/2023 X2 (Lemmon)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
20.93,
18.9,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
05.93,
19.1,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
01.91,
19.4,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
jun
29.03,
19.3,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
C/2024 A1 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
20.92,
17.9,
0.6'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
C/2024 G4 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
17.97,
17.7,
0.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
C/2024 G6 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
20.92,
17.4,
0.21'
(E. Bryssinck,
Brixiis Observatory, Kruibeke (MPC B96),
0.4-m
Newtonian + CCD);
20.86,
17.8,
0.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
20.86,
16.8,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
20.85,
18.3,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
19.99,
17.7,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
18.99,
17.9,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
17.99,
17.7,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
13.94,
18.0,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
12.95,
17.9,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
11.97,
17.9,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
09.99,
17.9,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
09.91,
17.4,
1.2'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
08.96,
17.6,
0.37'
(P. Dekelver,
0.3-m
Newtonian + CCD);
04.02,
18.0,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
04.00,
16.8,
0.31'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD);
03.99,
17.6,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
02.97,
17.6,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
jun
28.96,
17.4,
0.4'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
C/2024 J3 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
25.90,
13.9,
0.6'
(M. Meyer,
0.05-m
Refractor + CCD);
23.99,
14.3,
0.5'
(W. Kutschera,
0.508-m
Newtonian + CCD);
23.91,
13.9,
0.6'
(M. Meyer,
0.05-m
Refractor + CCD);
21.64,
14.6,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD);
20.99,
13.8,
0.7'
(E. Bryssinck,
Brixiis Observatory, Kruibeke (MPC B96),
0.4-m
Newtonian + CCD);
20.92,
14.0,
0.8'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD);
20.89,
13.9,
1.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
20.88,
13.8,
1.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
20.88,
14.2,
1.6'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
20.88,
14.6,
1.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
20.83,
15.3,
0.28'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
20.54,
13.9,
0.86'
(Y. Yamaguchi,
0.13-m
Hyperboloid astro-camera + CCD);
20.49,
14.6,
0.4'
(T. Yusa,
0.05-m
Refractor + CCD);
19.96,
15.0,
0.31'
(E. Capella,
0.36-m
Schmidt-Cassegrain + CCD);
19.92,
13.6,
1.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
19.91,
14.7,
1.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
19.91,
14.5,
1.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
19.50,
14.5,
0.4'
(Y. Nagai,
0.05-m
Refractor + CCD);
19.49,
14.1,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD);
18.50,
14.4,
0.4'
(Y. Nagai,
0.05-m
Refractor + CCD);
18.08,
13.9,
1'
(W. Souza,
0.05-m
Refractor + CCD);
17.95,
15.4,
0.38'
(S. Shurpakov,
0.41-m
Newtonian + CCD);
17.88,
13.8,
0.5'
(E. Bryssinck,
Brixiis Observatory, Kruibeke (MPC B96),
0.4-m
Newtonian + CCD);
16.89,
14.6,
1.5'
(T. Ferreira,
Dobsonian Power (MPC R39),
0.41-m
Newtonian + CCD);
15.87,
15.2,
0.33'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
15.06,
14.4,
0.7'
(W. Kutschera,
0.508-m
Newtonian + CCD);
14.92,
16.2,
1.5'
(T. Ferreira,
Dobsonian Power (MPC R39),
0.41-m
Newtonian + CCD);
14.86,
16.2,
0.48'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
14.00,
13.2,
1.5'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
13.92,
14.0,
1.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
13.91,
14.7,
1'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
13.91,
14.7,
1.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
13.02,
14.3,
1.1'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
12.97,
14.2,
0.5'
(C. Harder,
Jeersdorf f,
0.531-m
Newtonian);
12.01,
13.7,
--
(G. van Buitenen,
Dordrecht, Sterrenburg (G06),
0.203-m
Ritchey-Chretien + CCD);
11.96,
14.8,
0.35'
(C. Harder,
nahe Westerholz,
0.531-m
Newtonian);
10.48,
14.5,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD);
09.94,
14.7,
1.6'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
09.93,
13.8,
0.6'
(M. Meyer,
0.05-m
Refractor + CCD);
09.54,
14.2,
0.4'
(Y. Nagai,
0.05-m
Refractor + CCD);
09.53,
14.0,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD);
09.02,
14.6,
0.6'
(W. Kutschera,
0.508-m
Newtonian + CCD);
08.90,
13.8,
0.7'
(E. Bryssinck,
Brixiis Observatory, Kruibeke (MPC B96),
0.4-m
Newtonian + CCD);
08.89,
13.4,
1.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
08.89,
14.0,
2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
08.88,
14.5,
1.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
08.53,
14.1,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD);
06.02,
14.5,
0.27'
(À. Bueno,
AstroGRN Trevinca (MPC XX6),
0.12-m
Refractor + CCD);
05.88,
15.8,
0.29'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
03.95,
15.2,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
02.03,
15.2,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
01.99,
14.4,
0.5'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD);
jun
30.88,
14.9,
0.54'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
29.53,
13.7,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD);
29.04,
14.0,
0.8'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
28.59,
13.7,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD);
28.54,
14.1,
0.5'
(K. Yoshimoto,
0.3-m
Newtonian + CCD);
27.94,
13.9,
0.6'
(M. Meyer,
0.05-m
Refractor + CCD);
C/2024 R4 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
25.96,
15.0,
0.32'
(M. Meyer,
0.05-m
Refractor + CCD;
0.3'
tail in p.a. 165 deg);
24.25,
15.7,
2'
(J. Maikner,
Comet Hunter Observatory2, New Ringgold,
0.3-m
Hyperboloid astro-camera + CCD;
2'
tail in p.a. 175 deg);
23.96,
15.1,
0.32'
(M. Meyer,
0.05-m
Refractor + CCD;
0.3'
tail in p.a. 169 deg);
20.03,
15.3,
0.4'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
19.93,
15.5,
0.6'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.7'
tail in p.a. 166 deg);
19.92,
16.3,
0.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.7'
tail in p.a. 169 deg);
19.92,
16.5,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.8'
tail in p.a. 168 deg);
18.91,
16.8,
0.29'
(S. Shurpakov,
0.41-m
Newtonian + CCD);
17.94,
16.5,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1'
tail in p.a. 168 deg);
17.94,
16.1,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.7'
tail in p.a. 166 deg);
17.94,
15.2,
0.6'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.8'
tail in p.a. 165 deg);
14.04,
14.5,
0.8'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
13.93,
15.5,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.5'
tail in p.a. 172 deg);
13.92,
16.3,
0.6'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.6'
tail in p.a. 168 deg);
13.92,
16.2,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.4'
tail in p.a. 165 deg);
12.99,
15.1,
0.2'
(C. Harder,
Jeersdorf f,
0.531-m
Newtonian);
12.00,
14.9,
0.25'
(C. Harder,
nahe Westerholz,
0.531-m
Newtonian);
10.05,
15.7,
0.28'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
10.01,
15.1,
0.6'
(M. Lošťák,
0.2-m
Newtonian + CCD);
10.01,
14.3,
0.6'
(M. Lošťák,
0.2-m
Newtonian + CCD);
09.95,
16.4,
0.8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
0.2'
tail in p.a. 173 deg);
09.05,
15.1,
0.33'
(E. Bryssinck,
Brixiis Observatory, Kruibeke (MPC B96),
0.4-m
Newtonian + CCD);
08.90,
15.8,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.5'
tail in p.a. 179 deg);
08.90,
15.4,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.4'
tail in p.a. 179 deg);
08.89,
16.0,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.5'
tail in p.a. 175 deg);
jun
29.39,
15.2,
0.4'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD;
0.5'
tail in p.a. 180 deg);
29.08,
15.5,
0.4'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
C/2024 T5 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
24.91,
14.4,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
0.9'
tail in p.a. 229 deg);
24.88,
14.4,
0.5'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
3.2'
tail in p.a. 222 deg);
23.91,
14.4,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
1.1'
tail in p.a. 227 deg);
22.91,
14.3,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
1.2'
tail in p.a. 226 deg);
21.90,
14.6,
0.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
0.8'
tail in p.a. 228 deg);
21.79,
14.3,
0.5'
(R. Ramlow,
Q62,
0.106-m
Refractor + CCD;
3.8'
tail in p.a. 231 deg);
20.92,
14.4,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
1'
tail in p.a. 221 deg);
19.90,
14.5,
0.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
0.4'
tail in p.a. 232 deg);
14.91,
14.5,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
0.6'
tail in p.a. 230 deg);
13.90,
14.3,
0.6'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
3'
tail in p.a. 224 deg);
12.91,
14.4,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
1'
tail in p.a. 224 deg);
10.35,
13.7,
1'
(J. de Souza Aguiar,
0.3-m
Newtonian);
09.35,
13.8,
1'
(J. de Souza Aguiar,
0.3-m
Newtonian);
08.91,
14.4,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
1.4'
tail in p.a. 221 deg);
07.89,
14.4,
0.6'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
0.8'
tail in p.a. 227 deg);
C/2025 A6 (Lemmon)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
14.51,
17.0,
0.5'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
13.51,
16.6,
0.5'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
06.42,
16.9,
0.6'
(M. Mattiazzo,
0.28-m
Schmidt reflector + CCD);
03.76,
15.6,
1.9'
(T. Lehmann,
Hakos (remote),
0.106-m
Refractor + CCD;
0.93° tail in p.a. 131 deg);
C/2025 K3 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
20.92,
20.4,
0.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
C/2025 M2 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
14.03,
16.3,
0.4'
(M. Mašek,
CTA-N La Palma,
0.25-m
Schmidt-Cassegrain + CCD;
0.2'
tail in p.a. 86 deg);
C/2025 V2 (Rankin)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
03.18,
17.6,
0.23'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD);
C/2025 Y1 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
23.48,
16.4,
0.4'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
22.49,
16.1,
0.4'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
15.50,
16.5,
0.4'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
14.91,
16.6,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
14.53,
16.5,
0.35'
(A. Pearce,
Perth Observatory, Bickley (MPC 323),
0.35-m
Schmidt-Cassegrain + CCD);
13.86,
16.8,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
13.86,
15.9,
0.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
13.85,
17.1,
0.6'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
13.49,
16.5,
0.4'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
11.91,
16.6,
0.4'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
11.49,
16.6,
0.3'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
09.87,
16.3,
1.6'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
08.86,
16.6,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
08.86,
15.5,
0.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
08.85,
16.8,
0.6'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
06.41,
16.1,
0.6'
(M. Mattiazzo,
0.28-m
Schmidt reflector + CCD);
06.00,
16.6,
0.4'
(M. Mašek,
Malargue,
0.3-m
Cassegrain reflector + CCD);
06.00,
16.2,
0.4'
(M. Mašek,
Malargue,
0.3-m
Cassegrain reflector + CCD);
02.94,
16.6,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
02.74,
16.5,
0.5'
(T. Lehmann,
Hakos (remote),
0.106-m
Refractor + CCD;
0.2'
tail in p.a. 156 deg);
C/2026 A2 (Bok)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
20.57,
15.6,
0.4'
(T. Yusa,
0.05-m
Refractor + CCD);
19.88,
15.9,
1.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.9'
tail in p.a. 153 deg);
19.88,
14.9,
1.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1'
tail in p.a. 156 deg);
19.88,
16.3,
1.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.2'
tail in p.a. 153 deg);
19.52,
15.9,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD);
18.94,
17.6,
0.25'
(S. Shurpakov,
0.41-m
Newtonian + CCD);
15.94,
16.1,
0.8'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
1.1'
tail in p.a. 161 deg);
14.53,
16.5,
0.5'
(T. Yusa,
0.05-m
Refractor + CCD);
11.98,
16.0,
1'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
1.3'
tail in p.a. 167 deg);
08.92,
16.6,
1.1'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.8'
tail in p.a. 173 deg);
08.92,
16.9,
1.1'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1'
tail in p.a. 169 deg);
08.92,
15.7,
1.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.8'
tail in p.a. 172 deg);
jun
29.40,
16.3,
0.35'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD;
0.3'
tail in p.a. 156 deg);
28.53,
16.4,
0.5'
(T. Yusa,
0.05-m
Refractor + CCD);
C/2026 AZ17 (Bok)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
20.95,
17.9,
0.21'
(E. Bryssinck,
Brixiis Observatory, Kruibeke (MPC B96),
0.4-m
Newtonian + CCD);
17.96,
18.2,
0.6'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.5'
tail in p.a. 162 deg);
11.89,
17.8,
0.5'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.4'
tail in p.a. 155 deg);
03.91,
17.4,
0.9'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.7'
tail in p.a. 175 deg);
C/2026 C1 (Tsuchinshan)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
06.39,
18.1,
0.38'
(M. Mattiazzo,
0.28-m
Schmidt reflector + CCD);
05.89,
18.4,
0.18'
(J. Chambó Bris,
OAV, Valencia, Spain (MPC XXX),
0.2-m
Newtonian + CCD);
04.74,
18.0,
0.3'
(T. Lehmann,
Hakos (remote),
0.106-m
Refractor + CCD);
C/2026 J1 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
20.89,
20.5,
0.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
P/2012 K3 (Gibbs)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
15.18,
20.8,
--
(J. Maikner,
Comet Hunter Observatory2, New Ringgold,
0.3-m
Hyperboloid astro-camera + CCD);
14.09,
19.7,
0.2'
(M. Mašek,
CTA-N La Palma,
0.25-m
Schmidt-Cassegrain + CCD);
P/2021 N1 (ZTF)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
24.75,
16.8,
0.2'
(K. Yoshimoto,
0.3-m
Newtonian + CCD;
6'
tail in p.a. 255 deg);
24.00,
16.6,
0.32'
(M. Meyer,
0.05-m
Refractor + CCD;
0.6'
tail in p.a. 250 deg);
21.74,
16.6,
0.4'
(T. Yusa,
0.05-m
Refractor + CCD);
20.11,
16.4,
0.4'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
19.73,
16.5,
0.32'
(T. Yusa,
0.05-m
Refractor + CCD);
17.99,
17.4,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.7'
tail in p.a. 255 deg);
17.99,
16.6,
0.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
4.4'
tail in p.a. 251 deg);
17.99,
16.5,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
3'
tail in p.a. 253 deg);
15.43,
16.3,
0.4'
(M. Olason,
Tucson Arizona,
0.05-m
Refractor + CCD;
3'
tail in p.a. 249 deg);
14.87,
16.5,
0.3'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
13.86,
16.7,
0.3'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
0.7'
tail in p.a. 243 deg);
12.06,
16.3,
0.7'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.9'
tail in p.a. 245 deg);
10.45,
16.1,
0.33'
(D. Bartlett,
June Lake Overlook (MPC U66),
0.28-m
Schmidt-Cassegrain + CCD;
7.3'
tail in p.a. 246 deg);
10.05,
16.4,
0.5'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.05° tail in p.a. 247 deg);
09.40,
15.9,
0.4'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD;
3'
tail in p.a. 245 deg);
07.42,
15.8,
0.4'
(M. Olason,
Tucson Arizona,
0.05-m
Refractor + CCD;
2'
tail in p.a. 241 deg);
jun
29.41,
15.5,
0.35'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD;
1.3'
tail in p.a. 239 deg);