Recent Comet Brightness Estimates

12P/Pons-Brooks
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2025
jan 10.34, 15.0, 1.4' (T. Lehmann, Chile (remote), 0.25-m Newtonian + CCD);

29P/Schwassmann-Wachmann
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2025
feb 07.70, 10.6, 4' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    06.90, 11.5, 4' (D. Heggie, Edinburgh, UK, 0.05-m Refractor + CCD);
    06.74, 11.9, 1.5' (O. Miyazaki, 0.32-m Newtonian);
    06.19, 10.8, 6.6' (P. Carson, PGC Observatory Z10, Fregenal de la sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    05.68, 11.7, 1.4' (O. Miyazaki, 0.32-m Newtonian);
    05.68, 11.0, 3' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    05.06, 12.3, 0.5' (E. Banach, 0.25-m Newtonian);
    04.98, 13.4, 0.5' (B. Czeglédi, Hajdúszoboszló, Hungary, 0.3-m Newtonian);
    04.67, 11.1, 2.9' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    04.64, 11.3, 1' (O. Miyazaki, 0.32-m Newtonian);
    03.96, 11.0, 9' (D. Heggie, ASERO, Trevinca, Spain, 0.303-m Newtonian + CCD);
    03.90, 12.1, 0.5' (E. Banach, 0.25-m Newtonian);
    03.61, 11.2, 2' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    02.97, 12.1, 1' (T. Sciezor, Cracow, 0.06-m Camera lens + CCD);
    02.95, 11.3, 2.6' (E. Bryssinck, 0.4-m Newtonian + CCD);
    01.98, 11.6, 4.5' (W. Kutschera, 0.25-m Newtonian);
    01.62, 11.7, 3' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
jan 32.00, 12.5, 1' (T. Sciezor, Cracow, 0.06-m Camera lens + CCD);
    31.99, 11.6, 4.2' (W. Kutschera, 0.13-m Newtonian);
    31.97, 11.7, 2' (M. Filipek, 0.4-m Newtonian);
    31.97, 12.3, 2.5' (T. Karhula, Virsbo, Sweden, 0.305-m Newtonian);
    31.91, 11.8, 2' (A. Kammerer, Teufelsmuehle (Black Forest), Germany, 0.397-m Newtonian);
    31.67, 11.7, 2.1' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    31.63, 12.2, 2.5' (O. Miyazaki, 0.32-m Newtonian);
    30.96, 10.3, 6.8' (E. Bryssinck, 0.4-m Newtonian + CCD);
    30.91, 12.4, 1.9' (T. Sciezor, Cracow, 0.06-m Camera lens + CCD);
    30.62, 11.8, 3' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    30.62, 12.7, 2' (O. Miyazaki, 0.32-m Newtonian);
    29.95, 12.2, 2.2' (T. Sciezor, Rzozów, 0.06-m Camera lens + CCD);
    29.91, 12.1, 2.1' (D. Heggie, Edinburgh, Scotland, 0.114-m Prime focus of a reflector + CCD);
    29.69, 11.6, 2.2' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    29.63, 12.4, 1.8' (O. Miyazaki, 0.32-m Newtonian);
    28.99, 11.5, 6.58' (K. Hills, 0.5-m Newtonian + CCD);
    28.03, 11.3, 7.33' (K. Hills, 0.5-m Newtonian + CCD);
    28.00, 13.1, 1.3' (T. Sciezor, Cracow, 0.06-m Camera lens + CCD);
    27.97, 11.7, 3.9' (P. Carson, PGC Observatory Z10, Fregenal de la sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    26.97, 12.3, 1.2' (T. Sciezor, Cracow, 0.06-m Camera lens + CCD);
    26.96, 11.6, 5.83' (K. Hills, 0.5-m Newtonian + CCD);
    25.98, 11.6, 6.02' (K. Hills, 0.5-m Newtonian + CCD);
    25.58, 12.6, 1' (O. Miyazaki, 0.32-m Newtonian);
    23.39, 11.2, 5' (N. Paul, iTelescope Utah Desert Remote Observatory USA, 0.28-m Schmidt-Cassegrain + CCD);
    23.03, 11.6, 6.02' (K. Hills, 0.5-m Newtonian + CCD);
    21.93, 11.2, 3.7' (P. Dekelver, 0.3-m Newtonian + CCD);
    21.91, 12.2, 1.2' (A. Kammerer, Teufelsmuehle (Black Forest), Germany, 0.397-m Newtonian);
    20.72, 11.6, 2.6' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    20.63, 11.5, 5' (K. Yoshimoto, 0.203-m Ritchey-Chretien + CCD);
    20.11, 11.0, 7.7' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD);
    19.16, 11.6, 4.3' (D. Heggie, ASERO, Trevinca, Spain, 0.303-m Newtonian + CCD);
    19.13, 11.4, 5.2' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD);
    19.12, 12.4, 1.9' (A. Pearce, Namibia, 0.36-m Schmidt-Cassegrain + CCD);
    18.88, 11.8, 2' (G. Pappa, Pedara,Sicily,Italy, 0.3-m Camera lens + CCD);
    18.87, 11.5, 1.5' (C. Harder, Jeersdorf h, 0.252-m Newtonian);
    18.84, 11.4, 3.3' (T. Sciezor, Cracow, 0.06-m Camera lens + CCD);
    17.89, 10.8, 5' (J. Gonzalez Suarez, 0.203-m Schmidt-Cassegrain);
    14.21, 11.5, 3.7' (P. Dekelver, 0.3-m Newtonian + CCD);
    13.23, 11.4, 3.7' (P. Dekelver, 0.3-m Newtonian + CCD);
    11.34, 11.1, 5' (N. Paul, iTelescope Deep Sky Chile, Rio Hurtado, 0.51-m Schmidt-Cassegrain + CCD);
    11.11, 11.0, 4.4' (A. Pearce, Namibia, 0.36-m Schmidt-Cassegrain + CCD);
    10.81, 13.1, 1.1' (O. Miyazaki, 0.32-m Newtonian);
    10.81, 11.5, 5.3' (K. Harikae, 0.15-m Newtonian + CCD);
    10.74, 12.3, 1.8' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    10.36, 11.3, 5.3' (N. Paul, iTelescope Deep Sky Chile, Rio Hurtado, 0.95-m Newtonian + CCD);
    10.27, 10.5, 5.5' (P. Dekelver, 0.3-m Newtonian + CCD);
    09.79, 11.1, 4.3' (K. Harikae, 0.15-m Newtonian + CCD);
    09.69, 11.1, 3.7' (A. Pearce, Perth Observatory, Bickley (MPC 323), 0.35-m Schmidt-Cassegrain + CCD);

30P/Reinmuth
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2025
jan 28.26, 19.1, 0.38' (K. Hills, 0.5-m Newtonian + CCD);

32P/Comas Sola
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2025
jan 10.20, 19.8, 0.38' (K. Hills, 0.5-m Newtonian + CCD);

33P/Daniel
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2025
jan 27.15, 18.0, 0.38' (K. Hills, 0.5-m Newtonian + CCD);
    18.99, 18.0, 0.38' (K. Hills, 0.5-m Newtonian + CCD);

43P/Wolf-Harrington
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2025
jan 26.91, 17.7, 0.38' (K. Hills, 0.5-m Newtonian + CCD);
    19.84, 16.1, 1.8' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD; 1.4' tail in p.a. 64 deg);
    16.82, 17.7, 0.38' (K. Hills, 0.5-m Newtonian + CCD);
    13.78, 16.1, 0.7' (P. Dekelver, 0.3-m Newtonian + CCD);

49P/Arend-Rigaux
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2025
feb 03.73, 16.2, 0.31' (J. Zakrajšek, Crni Vrh Observatory (MPC 106), 0.6-m Prime focus of a reflector + CCD);
jan 26.83, 17.0, 0.38' (K. Hills, 0.5-m Newtonian + CCD);
    25.54, 16.3, 0.4' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    17.73, 15.8, 1.3' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD);
    16.55, 16.7, 0.4' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    15.86, 17.4, 0.38' (K. Hills, 0.5-m Newtonian + CCD);
    12.56, 16.6, 0.3' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    09.77, 15.3, 0.4' (P. Dekelver, 0.3-m Newtonian + CCD);

74P/Smirnova-Chernykh
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2025
jan 17.87, 18.9, 0.38' (K. Hills, 0.5-m Newtonian + CCD);

95P/Chiron
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2025
jan 25.85, 18.7, 0.38' (K. Hills, 0.5-m Newtonian + CCD);

130P/McNaught-Hughes
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2025
jan 18.87, 19.1, 0.38' (K. Hills, 0.5-m Newtonian + CCD);

154P/Brewington
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2025
jan 23.05, 19.5, 0.38' (K. Hills, 0.5-m Newtonian + CCD);

195P/Hill
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2025
jan 26.05, 18.3, 0.38' (K. Hills, 0.5-m Newtonian + CCD);
    18.98, 17.5, 0.38' (K. Hills, 0.5-m Newtonian + CCD);

242P/Spahr
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2025
jan 26.61, 18.1, 0.5' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    25.87, 18.7, 0.38' (K. Hills, 0.5-m Newtonian + CCD);
    16.90, 18.8, 0.38' (K. Hills, 0.5-m Newtonian + CCD);
    16.66, 18.1, 0.4' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);

253P/PANSTARRS
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2025
jan 26.84, 19.6, 0.38' (K. Hills, 0.5-m Newtonian + CCD);

268P/Bernardi
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2025
jan 23.07, 20.8, 0.38' (K. Hills, 0.5-m Newtonian + CCD);

276P/Vorobjov
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2025
feb 01.55, 17.5, 0.4' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
jan 31.54, 17.5, 0.4' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    30.56, 17.7, 0.5' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    19.57, 18.0, 0.3' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    16.58, 17.7, 0.4' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    13.58, 17.8, 0.3' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    11.58, 17.9, 0.4' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);

305P/Skiff
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2025
feb 01.54, 18.3, 0.4' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
jan 30.54, 17.8, 0.5' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    19.54, 17.4, 0.3' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    16.56, 17.9, 0.3' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    11.56, 17.6, 0.4' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);

333P/LINEAR
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2025
feb 01.52, 17.3, 0.2' (J. Xiong, Daocheng, China(remote,O40), 0.203-m Newtonian + CCD; 0.5' tail);
jan 18.68, 15.5, 0.44' (S. Shurpakov, 0.2-m Schmidt-Newtonian + CCD);
    17.78, 14.5, 2.5' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD; 0.05° tail in p.a. 38 deg);
    12.75, 14.2, 2.6' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.08° tail in p.a. 38 deg);
    10.77, 15.4, 0.4' (P. Dekelver, 0.3-m Newtonian + CCD; 0.7' tail in p.a. 48 deg);

472P/NEAT-LINEAR
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2025
jan 30.68, 16.0, 0.4' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD; 0.3' tail in p.a. 15 deg);
    29.61, 16.4, 0.5' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD; 0.4' tail in p.a. 18 deg);
    27.09, 17.0, 0.38' (K. Hills, 0.5-m Newtonian + CCD);
    26.56, 15.9, 0.5' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    20.61, 16.0, 0.5' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    17.65, 16.1, 0.5' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    13.91, 16.0, 0.4' (P. Dekelver, 0.3-m Newtonian + CCD);

487P/SidingSpring
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2025
jan 26.94, 17.7, 0.38' (K. Hills, 0.5-m Newtonian + CCD);
    19.97, 17.4, 0.5' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD);
    16.85, 17.3, 0.38' (K. Hills, 0.5-m Newtonian + CCD);

496P/Hill
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2025
jan 27.85, 16.9, 0.56' (K. Hills, 0.5-m Newtonian + CCD);
    18.88, 15.1, 3.2' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD; 1.1' tail in p.a. 97 deg);
    16.84, 17.6, 0.38' (K. Hills, 0.5-m Newtonian + CCD);
    13.81, 16.3, 0.6' (P. Dekelver, 0.3-m Newtonian + CCD);
    11.55, 17.0, 0.4' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);

C/2014 UN271 (Bernardinelli-Bernstein)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2025
feb 04.56, 15.5, 0.5' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    01.65, 15.8, 0.8' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
jan 29.71, 15.7, 0.7' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    28.54, 15.6, 0.8' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    28.18, 16.3, 0.4' (M. Mašek, Malargue, 0.3-m Cassegrain reflector + CCD);
    28.17, 15.9, 0.4' (M. Mašek, Malargue, 0.3-m Cassegrain reflector + CCD);
    27.67, 15.8, 0.8' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    26.64, 15.9, 0.8' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    25.55, 15.9, 0.8' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    20.39, 16.3, 0.21' (S. Badcock, Otaki, New Zealand, 0.06-m Refractor + CCD; 5.6" tail in p.a. 321 deg);
    18.68, 15.6, 0.8' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    17.70, 16.3, 0.5' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    16.72, 16.2, 0.4' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    15.62, 16.4, 0.5' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);

C/2017 K2 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2025
feb 01.58, 16.4, 0.5' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    01.57, 17.0, 0.2' (J. Xiong, Daocheng, China(remote,O40), 0.203-m Newtonian + CCD);
jan 31.58, 16.0, 0.5' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    29.60, 16.0, 0.5' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    28.57, 16.4, 0.5' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    27.88, 16.8, 0.4' (P. Carson, PGC Observatory Z10, Fregenal de la sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    27.60, 16.2, 0.5' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    26.55, 16.2, 0.5' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    20.59, 16.5, 0.4' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    19.91, 15.2, 2.1' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD; 1.1' tail in p.a. 116 deg);
    19.60, 16.5, 0.4' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    18.95, 16.3, 0.33' (S. Shurpakov, 0.2-m Schmidt-Newtonian + CCD);
    18.82, 15.2, 1.7' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD; 0.8' tail in p.a. 123 deg);
    18.54, 16.3, 0.4' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    18.01, 17.1, 0.38' (K. Hills, 0.5-m Newtonian + CCD);
    15.57, 16.3, 0.5' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    09.94, 15.6, 0.4' (P. Dekelver, 0.3-m Newtonian + CCD);

C/2019 U5 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2025
feb 04.60, 16.4, 0.6' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD; 2.9' tail in p.a. 96 deg);
    01.75, 16.4, 0.5' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
jan 31.65, 15.8, 0.4' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    30.75, 16.1, 0.7' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    29.73, 16.3, 0.5' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    28.27, 16.5, 0.4' (M. Mašek, Malargue, 0.3-m Cassegrain reflector + CCD);
    28.27, 16.3, 0.4' (M. Mašek, Malargue, 0.3-m Cassegrain reflector + CCD; 0.2' tail in p.a. 147 deg);
    26.61, 16.1, 0.8' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD; 0.5' tail in p.a. 89 deg);

C/2020 K1 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2025
feb 04.58, 17.2, 0.5' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    01.67, 17.1, 0.5' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
jan 30.73, 16.7, 0.5' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    27.76, 16.9, 0.6' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    16.70, 17.0, 0.6' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    10.60, 16.7, 0.4' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);

C/2021 G2 (Atlas)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2025
feb 04.76, 14.0, 1.2' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD; 3.1' tail in p.a. 243 deg);
jan 31.78, 14.5, 0.7' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    29.86, 14.3, 0.9' (K. Yoshimoto, 0.203-m Ritchey-Chretien + CCD; 5.5' tail in p.a. 245 deg);
    28.27, 14.6, 0.94' (K. Hills, 0.5-m Newtonian + CCD);
    19.23, 14.4, 1.4' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD; 1.3' tail in p.a. 240 deg);
    16.25, 15.9, 0.38' (K. Hills, 0.5-m Newtonian + CCD);
    13.07, 14.0, 0.8' (G. Pappa, Namibia (remote control), 0.106-m Refractor + CCD);

C/2021 S3 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2025
jan 19.73, 16.0, 1.2' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD);
    10.75, 16.3, 0.4' (P. Dekelver, 0.3-m Newtonian + CCD);
    09.79, 17.0, 0.4' (P. Dekelver, 0.3-m Newtonian + CCD);

C/2022 E2 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2025
feb 04.72, 15.3, 0.2' (M. Mančuška, Boldog (Quattro 6) (MPC 247), 0.15-m Newtonian + CCD; 6.4" tail in p.a. 55 deg);
    03.75, 14.3, 0.7' (J. Zakrajšek, Crni Vrh Observatory (MPC 106), 0.6-m Prime focus of a reflector + CCD);
    01.83, 13.2, 0.9' (W. Kutschera, 0.508-m Newtonian);
    01.54, 14.1, 0.4' (J. Xiong, Daocheng, China(remote,O40), 0.203-m Newtonian + CCD; 7' tail in p.a. 55 deg);
jan 31.90, 13.2, 0.7' (T. Karhula, Virsbo, Sweden, 0.305-m Newtonian);
    31.43, 12.9, 1.1' (O. Miyazaki, 0.32-m Newtonian);
    30.76, 13.4, 0.9' (E. Bryssinck, 0.4-m Newtonian + CCD);
    29.43, 13.2, 0.5' (O. Miyazaki, 0.32-m Newtonian);
    27.75, 14.0, 0.7' (C. Harder, Jeersdorf f, 0.531-m Newtonian);
    26.92, 14.6, 0.75' (K. Hills, 0.5-m Newtonian + CCD);
    20.43, 13.8, 0.8' (K. Yoshimoto, 0.203-m Ritchey-Chretien + CCD; 8' tail in p.a. 67 deg);
    19.78, 13.6, 2.1' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD; 0.19° tail in p.a. 68 deg);
    19.73, 14.1, 0.75' (C. Harder, Jeersdorf f, 0.531-m Newtonian);
    18.83, 14.0, 1' (J. Zakrajšek, Crni Vrh Observatory (MPC 106), 0.6-m Prime focus of a reflector + CCD; 6.8' tail in p.a. 66 deg);
    18.44, 13.1, 0.7' (O. Miyazaki, 0.32-m Newtonian);
    17.81, 13.8, 1.4' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD; 0.14° tail in p.a. 66 deg);
    17.41, 12.8, 0.5' (O. Miyazaki, 0.32-m Newtonian);
    16.94, 14.0, 1' (G. Pappa, Piemonte,Italy (remote control), 0.3-m Ritchey-Chretien + CCD);
    12.79, 13.7, 1.3' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.13° tail in p.a. 69 deg);
    09.78, 13.8, 0.6' (K. Harikae, 0.15-m Newtonian + CCD);

C/2022 L2 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2025
feb 04.65, 17.5, 0.3' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    01.77, 16.8, 0.5' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
jan 30.81, 17.5, 0.5' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    29.76, 17.0, 0.5' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    27.62, 16.3, 0.6' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    19.42, 17.3, -- (S. Badcock, Otaki, New Zealand, 0.06-m Refractor + CCD);
    17.69, 17.1, 0.4' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    10.32, 16.9, 0.6' (T. Lehmann, Chile (remote), 0.25-m Newtonian + CCD);
    09.67, 16.3, 0.4' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);

C/2022 N2 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2025
jan 30.74, 15.0, 0.5' (E. Bryssinck, 0.4-m Newtonian + CCD);
    18.73, 15.4, 1.2' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD; 1.3' tail in p.a. 243 deg);
    17.83, 16.5, 0.38' (K. Hills, 0.5-m Newtonian + CCD);
    13.75, 15.0, 0.7' (P. Dekelver, 0.3-m Newtonian + CCD; 1' tail in p.a. 230 deg);

C/2022 QE78 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2025
feb 04.62, 14.8, 0.7' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD; 0.6' tail in p.a. 247 deg);
    01.59, 15.9, 0.25' (J. Xiong, Daocheng, China(remote,O40), 0.203-m Newtonian + CCD);
jan 31.61, 15.4, 0.5' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    29.63, 15.4, 0.6' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD; 1.1' tail in p.a. 249 deg);
    28.58, 15.1, 0.7' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    27.92, 15.7, 0.4' (P. Carson, PGC Observatory Z10, Fregenal de la sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    27.57, 15.0, 0.6' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    27.06, 16.1, 0.38' (K. Hills, 0.5-m Newtonian + CCD);
    26.61, 15.1, 0.7' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    20.83, 14.7, 0.6' (M. Paradowski, 0.15-m Newtonian + CCD);
    20.82, 15.3, 0.6' (M. Paradowski, 0.15-m Newtonian + CCD);
    20.62, 15.6, 0.5' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    20.51, 15.0, 0.4' (K. Yoshimoto, 0.203-m Ritchey-Chretien + CCD; 1' tail in p.a. 250 deg);
    19.64, 15.3, 0.5' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    18.97, 15.4, 0.9' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD; 1.2' tail in p.a. 251 deg);
    18.95, 15.1, 0.38' (K. Hills, 0.5-m Newtonian + CCD);
    18.56, 15.3, 0.6' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD; 1.2' tail in p.a. 242 deg);
    17.66, 15.0, 0.5' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD; 0.4' tail in p.a. 260 deg);
    16.94, 15.5, 0.5' (G. Pappa, Piemonte,Italy (remote control), 0.3-m Ritchey-Chretien + CCD);
    16.60, 15.4, 0.4' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    15.58, 15.2, 0.5' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    09.98, 14.4, 0.7' (P. Dekelver, 0.3-m Newtonian + CCD);

C/2022 R6 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2025
feb 04.61, 16.1, 0.5' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    01.74, 15.9, 0.46' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
jan 30.77, 16.1, 0.5' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    29.80, 16.8, 0.5' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    27.78, 16.0, 0.6' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    26.97, 17.4, 0.38' (K. Hills, 0.5-m Newtonian + CCD);
    19.69, 16.0, 0.4' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD; 0.2' tail in p.a. 144 deg);
    18.59, 16.1, 0.2' (A. Pearce, Perth Observatory, Bickley (MPC 323), 0.35-m Schmidt-Cassegrain + CCD);
    17.68, 16.4, 0.5' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);

C/2022 U3 (Bok)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2025
jan 27.08, 18.8, 0.38' (K. Hills, 0.5-m Newtonian + CCD);

C/2023 A3 (Tsuchinshan-ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2025
feb 03.88, 12.4, 0.8' (K. Yoshimoto, 0.203-m Ritchey-Chretien + CCD; 3' tail in p.a. 5 deg);
jan 18.68, [11.1, -- (T. Sciezor, Cracow, 0.06-m Camera lens + CCD);
    10.72, 10.3, 2.8' (P. Dekelver, 0.3-m Newtonian + CCD; 7.1' tail in p.a. 49 deg);

C/2023 H5 (Lemmon)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2025
jan 23.19, 16.9, 0.38' (K. Hills, 0.5-m Newtonian + CCD);
    19.19, 16.3, 0.8' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD; 0.9' tail in p.a. 219 deg);

C/2023 Q1 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2025
feb 01.64, 16.9, 0.2' (J. Xiong, Daocheng, China(remote,O40), 0.203-m Newtonian + CCD);
jan 30.44, 14.3, 0.6' (K. Yoshimoto, 0.203-m Ritchey-Chretien + CCD);
    29.88, 16.6, 0.5' (D. Heggie, Edinburgh, Scotland, 0.114-m Prime focus of a reflector + CCD);
    28.21, 16.4, 0.56' (K. Hills, 0.5-m Newtonian + CCD);
    27.94, 16.5, 0.4' (P. Carson, PGC Observatory Z10, Fregenal de la sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    24.13, 16.3, 0.56' (K. Hills, 0.5-m Newtonian + CCD);
    20.06, 14.5, 3.2' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD; 0.05° tail in p.a. 275 deg);
    19.05, 16.8, 0.38' (K. Hills, 0.5-m Newtonian + CCD);
    19.02, 14.6, 3.3' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD; 1.2' tail in p.a. 277 deg);
    18.83, 16.2, 0.5' (D. Heggie, ASERO, Trevinca, Spain, 0.303-m Newtonian + CCD; 1.2' tail in p.a. 277 deg);
    17.35, 15.9, 0.33' (N. Paul, iTelescope Observatory, Beryl Junction (MPC U94), 0.25-m Newtonian + CCD);
    14.79, 16.3, 0.3' (D. Heggie, ASERO, Trevinca, Spain, 0.303-m Newtonian + CCD; 0.3' tail in p.a. 280 deg);
    13.29, 15.9, 0.34' (N. Paul, iTelescope Observatory, Beryl Junction (MPC U94), 0.28-m Schmidt-Cassegrain + CCD);
    10.79, 15.6, 1' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD);
    09.88, 15.9, 0.5' (D. Heggie, Edinburgh, Scotland, 0.114-m Prime focus of a reflector + CCD);
    09.74, 15.4, 0.6' (P. Dekelver, 0.3-m Newtonian + CCD; 0.7' tail in p.a. 283 deg);

C/2023 R1 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2025
jan 09.81, 17.2, 0.4' (P. Dekelver, 0.3-m Newtonian + CCD);

C/2023 T3 (Fuls)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2025
feb 04.71, 16.5, 0.5' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    01.81, 16.7, 0.5' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD; 1.4' tail in p.a. 281 deg);
jan 30.84, 16.7, 0.5' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    27.74, 16.3, 0.46' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD; 0.9' tail in p.a. 273 deg);
    17.74, 16.7, 0.4' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    09.77, 16.5, 0.4' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);

C/2023 X2 (Lemmon)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2025
jan 16.91, 19.2, 0.38' (K. Hills, 0.5-m Newtonian + CCD);

C/2024 A1 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2025
feb 04.64, 16.6, 0.5' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    01.72, 16.3, 0.5' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    01.62, 16.4, 0.3' (J. Xiong, Daocheng, China(remote,O40), 0.203-m Newtonian + CCD);
jan 31.63, 16.3, 0.4' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    27.59, 15.8, 0.5' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    20.58, 16.1, 0.4' (K. Yoshimoto, 0.203-m Ritchey-Chretien + CCD);
    20.01, 16.2, 0.6' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD);
    18.58, 16.3, 0.4' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    16.62, 16.4, 0.4' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    15.59, 16.1, 0.4' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    11.85, 16.0, 0.5' (G. Pappa, Namibia (remote control), 0.36-m Ritchey-Chretien + CCD);
    10.58, 16.1, 0.4' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);

C/2024 B1 (Lemmon)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2025
jan 16.27, 17.4, 0.38' (K. Hills, 0.5-m Newtonian + CCD);

C/2024 E1 (Wierzchos)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2025
feb 06.22, 17.9, 0.4' (P. Carson, PGC Observatory Z10, Fregenal de la sierra, Spain, 0.315-m Cassegrain reflector + CCD);
jan 20.27, 18.7, 0.38' (K. Hills, 0.5-m Newtonian + CCD);
    20.20, 17.8, 0.6' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD);
    16.26, 18.4, 0.38' (K. Hills, 0.5-m Newtonian + CCD);

C/2024 G3 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2025
jan 30.94, 4.5, 12' (M. Goiato, 0.007-m Naked eye; 6° tail in p.a. 100 deg);
    30.94, 4.7, 10' (M. Goiato, 7x50 Binoculars; 9° tail in p.a. 100 deg);
    29.92, 4.9, 7' (M. Goiato, 7x50 Binoculars; 7° tail in p.a. 95 deg);
    28.92, 4.7, 6' (M. Goiato, 7x50 Binoculars; 7° tail in p.a. 95 deg);
    27.93, 4.5, 8' (M. Goiato, 7x50 Binoculars; 8° tail in p.a. 92 deg);
    27.41, 4.6, 7.5' (C. Wyatt, 15x70 Binoculars; 8° tail in p.a. 87 deg);
    23.95, 3.2, 8' (W. Souza, 10x50 Binoculars; 3.5° tail);
    23.95, 3.5, 8' (W. Souza, 20x80 Binoculars; 3° tail);
    22.01, 2.5, 7' (A. Anunziato, Parana, 1.05-m Maksutov; 12° tail in p.a. 100 deg);
    21.96, 2.0, 10' (M. Goiato, 0.007-m Naked eye; 15° tail in p.a. 90 deg);
    21.96, 2.2, 8' (M. Goiato, 7x50 Binoculars; 10° tail in p.a. 90 deg);
    20.96, 2.4, 4' (M. Goiato, 7x50 Binoculars; 6° tail in p.a. 105 deg);
    20.94, 3.4, 4' (L. Camargo da Silva, São José dos Campos, São Paulo, Brazil, 7x50 Binoculars; 3° tail in p.a. 90 deg);
    19.40, 1.0, -- (D. Edwards, Peak Crossing, Queensland, Australia, 10x50 Binoculars; 5° tail in p.a. 110 deg);
    18.96, -0.6, 2' (M. Goiato, 20x100 Binoculars; 3° tail in p.a. 100 deg);
    18.96, -0.8, 2' (M. Goiato, 7x50 Binoculars; 4° tail in p.a. 100 deg);
    18.96, -0.9, -- (M. Goiato, 0.007-m Naked eye; 4° tail in p.a. 100 deg);
    18.94, 0.0, 2' (W. Souza, Sao Paulo - SP, Brazil, 10x50 Binoculars; 0.5° tail);
    17.75, -1.0, -- (A. Russo, Gibraltar, 15x50 Binoculars; 0.5° tail);
    17.43, -0.8, -- (J. Pile, San Rafael, Bulacan, Philippines, Naked eye; 2.5° tail in p.a. 90 deg);
    17.43, -1.0, 2' (J. Pile, San Rafael, Bulacan, Philippines, 0.05-m Monocular 1x; 2° tail in p.a. 90 deg);
    17.34, -0.5, 1' (Y. Nagai, 20x100 Binoculars; 0.3° tail in p.a. 85 deg);
    16.99, -1.0, -- (B. Young, Tulsa OK USA, 8x40 Binoculars);
    16.75, -1.5, -- (A. Russo, Gibraltar, 15x50 Binoculars; 0.5° tail);
    16.58, -0.5, -- (A. Ansari, tehran, 0.03-m Camera lens + CCD);
    16.42, -0.8, 2' (J. Pile, San Rafael, Bulacan, Philippines, 0.05-m Monocular 1x; 1° tail in p.a. 85 deg);
    16.39, -1.5, 1.9' (T. Lovejoy, 0.075-m Camera lens + CCD);
    16.36, -1.5, -- (S. Yoshida, 0.066-m Refractor; 0.3° tail in p.a. 75 deg);
    16.23, -1.4, 1.3' (T. Lovejoy, 0.05-m Camera lens + CCD);
    16.12, -1.3, 1.5' (C. Hergenrother, 10x50 Binoculars; 0.5° tail);
    16.10, -1.5, 1.3' (T. Lovejoy, 0.05-m Camera lens + CCD);
    16.02, -1.8, 1.3' (T. Lovejoy, 0.05-m Camera lens + CCD);
    15.93, -1.2, 1.5' (M. Goiato, 20x100 Binoculars; 0.2° tail in p.a. 70 deg);
    15.93, -1.4, 1.5' (M. Goiato, 7x50 Binoculars; 0.3° tail in p.a. 70 deg);
    15.74, -1.5, 1.2' (J. Gonzalez Suarez, 10x50 Binoculars; 0.25° tail in p.a. 80 deg);
    15.38, -1.5, -- (B. Ai, OUCFivekidsMountain(FKMountain), 20x80 Binoculars; 0.2° tail);
    15.25, -2.6, 1.3' (T. Lovejoy, 0.05-m Camera lens + CCD);
    15.15, -2.7, 1.3' (T. Lovejoy, 0.05-m Camera lens + CCD);
    15.12, -2.5, -- (C. Hergenrother, Naked eye);
    15.10, -2.4, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    15.08, -2.4, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    15.06, -2.5, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    15.04, -2.9, 1.3' (T. Lovejoy, 0.05-m Camera lens + CCD);
    15.04, -2.5, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    15.02, -2.5, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    15.00, -2.5, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    14.98, -2.8, 1.3' (T. Lovejoy, 0.05-m Camera lens + CCD);
    14.98, -2.5, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    14.95, -2.5, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    14.94, -2.5, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    14.91, -2.5, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    14.90, -2.5, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    14.85, -2.6, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    14.83, -2.6, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    14.81, -2.6, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    14.79, -2.6, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    14.77, -2.6, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    14.75, -2.6, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    14.73, -2.6, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    14.72, [-2.0, 1' (C. Labordena, La Vall de Alba, 10x50 Binoculars; 10' tail);
    14.70, -2.6, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    14.69, -2.6, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    14.67, -1.5, -- (A. Kammerer, Karlsruhe, Germany, 9x63.0 Binoculars; 0.15° tail in p.a. 50 deg);
    14.66, -2.7, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    14.65, -2.7, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    14.64, -2.5, 0.5' (B. Granslo, Skogen, Oslo, Norway, 10x42.0 Binoculars; 0.1° tail in p.a. 50 deg);
    14.62, -2.8, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    14.60, -2.8, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    14.58, -2.8, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    14.56, -2.8, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    14.54, -2.8, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    14.52, -2.8, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    14.50, -2.9, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    14.48, -2.9, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    14.45, -3.0, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    14.45, -3.0, 0.2' (P. Guzik, 25x100 Binoculars; 2' tail in p.a. 40 deg);
    14.44, -3.1, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    14.41, -3.1, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    14.40, -3.1, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    14.37, -3.2, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    14.35, -3.2, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    14.33, -3.3, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    14.31, -3.3, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    14.29, -3.3, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    14.27, -3.3, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    14.25, -3.3, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    14.23, -3.4, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    14.20, -3.4, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    14.19, -3.4, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    14.16, -3.4, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    14.15, -3.4, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    14.12, -3.5, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    14.10, -3.5, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    14.08, -3.5, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    14.06, -3.5, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    14.04, -3.5, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    14.02, -3.5, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    14.00, -3.5, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    13.98, -3.5, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    13.96, -1.8, 1' (T. Lovejoy, 0.05-m Camera lens + CCD);
    13.95, -3.6, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    13.94, -3.7, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    13.91, -3.6, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    13.90, -3.6, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    13.85, -3.6, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    13.83, -3.7, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    13.81, -3.6, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    13.79, -3.6, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    13.77, -3.7, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    13.75, -3.8, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    13.73, -3.8, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    13.70, -3.8, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    13.69, -3.8, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    13.66, -3.8, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    13.65, -3.8, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    13.62, -3.8, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    13.60, -3.8, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    13.58, -3.8, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    13.56, -3.8, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    13.54, -3.8, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    13.52, -3.8, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    13.50, -3.8, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    13.48, -3.8, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    13.45, -3.8, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    13.44, -3.8, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    13.41, -3.8, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    13.40, -3.8, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    13.35, -3.7, 38' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    13.33, -3.7, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    13.31, -3.7, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    13.29, -3.6, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    13.27, -3.5, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    13.25, -3.5, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    13.23, -3.5, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    13.20, -3.5, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    13.19, -3.4, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    13.16, -3.4, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    13.15, -3.3, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    13.12, -3.3, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    13.10, -3.3, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    13.08, -3.3, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    13.06, -3.3, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    13.04, -3.2, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    13.02, -3.2, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    13.00, -3.2, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    12.98, -3.2, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    12.95, -3.2, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    12.94, -3.1, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    12.91, -3.1, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    12.90, -3.1, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    12.85, -3.0, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    12.83, -3.0, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    12.81, -2.9, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    12.79, -2.8, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    12.77, -2.8, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    12.75, -2.7, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    12.73, -2.7, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    12.70, -2.6, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    12.69, -2.6, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    12.66, -2.6, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    12.65, -2.5, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    12.62, -2.5, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    12.60, -2.5, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    12.58, -2.5, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    12.56, -2.5, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    12.54, -2.4, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    12.52, -2.4, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    12.51, -2.3, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    12.50, -2.3, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    12.48, -2.2, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    12.45, -2.2, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    12.44, -2.2, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    12.40, -2.2, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    12.37, -2.2, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    12.35, -2.1, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    12.33, -2.0, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    12.31, -1.6, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    12.29, -1.0, -- (C. Harder, Bullerberg, Westerholz, 10x50 Binoculars; 5' tail in p.a. 280 deg);
    12.00, -1.7, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    11.98, -1.7, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    11.95, -1.9, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    11.94, -1.7, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    11.91, -1.7, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    11.90, -1.6, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    11.85, -1.6, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    11.83, -1.5, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    11.81, -1.5, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    11.79, -1.5, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    11.77, -1.4, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    11.75, -1.5, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    11.73, -1.4, 37.3' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    11.65, -1.1, 28' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    11.60, -1.1, 28' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    11.58, -1.1, 28' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    11.56, -1.1, 28' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    11.54, -1.1, 28' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    11.52, -1.0, 28' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    11.50, -0.9, 28' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    11.48, -1.0, 28' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    11.45, -0.9, 28' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    11.44, -0.8, 28' (M. Paradowski, SOHO, 0.008-m Coronagraph + CCD);
    11.28, -1.0, 1' (V. Gonano, Udine, Italy, 20x80 Binoculars; 10' tail in p.a. 280 deg);
    11.13, [-2.5, -- (J. Xiong, Ocean University of China, Nonex80 Binoculars);
    10.89, -1.2, 1' (O. Miyazaki, 18x50 Binoculars; 5' tail in p.a. 280 deg);
    10.89, -1.0, 1' (R. Aikawa, 7x50 Binoculars; 10' tail in p.a. 290 deg);
    10.88, -1.0, 1' (Y. Nagai, 0.02-m Camera lens + CCD; 0.1° tail in p.a. 275 deg);
    09.91, -0.2, 1.6' (K. Yoshimoto, 0.077-m Camera lens + CCD; 7' tail in p.a. 275 deg);

C/2024 J2 (Wierzchos)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2025
jan 18.76, 15.6, 1.2' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD);
    10.74, 15.6, 0.4' (P. Dekelver, 0.3-m Newtonian + CCD);
    10.71, 16.8, 0.8' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD);

C/2024 L5 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2025
feb 06.24, 16.1, 0.4' (P. Carson, PGC Observatory Z10, Fregenal de la sierra, Spain, 0.315-m Cassegrain reflector + CCD);

C/2024 M1 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2025
jan 26.93, 17.1, 0.38' (K. Hills, 0.5-m Newtonian + CCD);
    20.77, 16.5, 0.6' (M. Paradowski, 0.15-m Newtonian + CCD);
    20.75, 16.1, 0.6' (M. Paradowski, 0.15-m Newtonian + CCD);
    20.47, 16.4, 0.2' (K. Yoshimoto, 0.203-m Ritchey-Chretien + CCD);
    19.94, 17.1, 0.5' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD);
    19.74, 16.2, -- (C. Harder, Jeersdorf f, 0.531-m Newtonian);
    18.93, 16.9, 0.5' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD);
    16.86, 16.9, 0.38' (K. Hills, 0.5-m Newtonian + CCD);
    12.81, 16.4, 0.4' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD);
    10.75, 16.3, 0.7' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD);
    09.90, 16.1, 0.4' (P. Dekelver, 0.3-m Newtonian + CCD);

C/2024 N4 (Sarneczky)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2025
jan 19.08, 18.9, 0.38' (K. Hills, 0.5-m Newtonian + CCD);

C/2024 S1 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2025
jan 27.89, [19.0, -- (P. Carson, PGC Observatory Z10, Fregenal de la sierra, Spain, 0.315-m Cassegrain reflector + CCD);

C/2024 Y1 (Masek)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2025
jan 24.13, 17.0, 1' (M. Mašek, Malargue, 0.107-m Camera lens + CCD);
    24.13, 15.8, 1.9' (M. Mašek, Malargue, 0.107-m Camera lens + CCD);
    18.06, 15.6, 1.8' (M. Mašek, Paranal, 0.067-m Camera lens + CCD);
    15.60, 15.8, 1.6' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    11.85, 15.0, 1.3' (G. Pappa, Namibia (remote control), 0.36-m Ritchey-Chretien + CCD);

P/2015 CD60 (LINEAR)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2025
jan 15.81, 18.0, 0.4' (G. Pappa, Piemonte,Italy (remote control), 0.3-m Ritchey-Chretien + CCD);

P/2019 Y3 (Catalina)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2025
feb 05.84, 18.2, 0.2' (J. Ryske, Y71 Makroskooppi, Fregenal de la Sierra, Spain, 0.3-m Ritchey-Chretien + CCD; 0.25' tail in p.a. 80 deg);
jan 30.83, 18.2, -- (J. Ryske, Y71 Makroskooppi, Fregenal de la Sierra, Spain, 0.3-m Ritchey-Chretien + CCD);
    28.09, 18.7, 0.3' (M. Mašek, Malargue, 0.3-m Cassegrain reflector + CCD; 0.2' tail in p.a. 67 deg);
    25.86, 18.6, -- (J. Ryske, Y71 Makroskooppi, Fregenal de la Sierra, Spain, 0.3-m Ritchey-Chretien + CCD);
    18.84, 19.0, -- (J. Ryske, Y71 Makroskooppi, Fregenal de la Sierra, Spain, 0.3-m Ritchey-Chretien + CCD);

P/2023 S1
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2025
feb 06.17, 14.6, 1.3' (P. Carson, PGC Observatory Z10, Fregenal de la sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    04.67, 14.8, 0.7' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD; 1.2' tail in p.a. 285 deg);
    01.66, 15.8, 0.3' (J. Xiong, Daocheng, China(remote,O40), 0.203-m Newtonian + CCD);
    01.61, 15.1, 0.9' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD; 2' tail in p.a. 295 deg);
jan 31.95, 13.7, 0.8' (W. Kutschera, 0.508-m Newtonian);
    31.66, 15.0, 0.6' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    30.60, 14.8, 0.9' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD; 1.6' tail in p.a. 292 deg);
    30.49, 15.2, 0.6' (K. Yoshimoto, 0.203-m Ritchey-Chretien + CCD; 2' tail in p.a. 295 deg);
    29.68, 15.1, 0.8' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD; 1.8' tail in p.a. 290 deg);
    27.69, 15.2, 0.8' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD; 1.4' tail in p.a. 285 deg);
    23.04, 15.4, 0.94' (K. Hills, 0.5-m Newtonian + CCD);
    20.64, 15.8, 0.5' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    19.07, 14.6, 2.7' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD; 0.05° tail in p.a. 295 deg);
    17.72, 15.7, 0.5' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);
    09.68, 15.1, 0.6' (A. Pearce, Perth Observatory, 0.35-m Schmidt-Cassegrain + CCD);