2P/Encke
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
sep 21.10, 10.6, 2.1' (E. Banach, 0.25-m Newtonian);
    20.47, 9.6, 3' (C. Hergenrother, 30x125.0 Binoculars);
    20.20, 10.9, 4.5' (P. Carson, PGC Observatory Z10, Fregenal de la sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    18.77, 10.5, 2.8' (C. Wyatt, 0.4-m Newtonian);
    18.77, 10.8, 2.6' (O. Miyazaki, 0.32-m Newtonian);
    17.79, 10.9, 2' (O. Miyazaki, 0.32-m Newtonian);
    17.06, 9.7, 4' (P. Guzik, 25x100 Binoculars);
    16.12, 10.0, 2.2' (M. Collins, Everton, 0.254-m Schmidt-Cassegrain);
    16.11, 10.0, 3.5' (M. Mašek, 0.4-m Newtonian);
    16.09, 10.4, 3' (J. Powichrowski, Knyszyn, 0.35-m Newtonian);
    16.03, 10.1, 4.3' (J. Cerny, 0.355-m Newtonian);
    15.47, 10.2, 2' (C. Hergenrother, 30x125.0 Binoculars);
    15.08, 10.1, 3.5' (M. Collins, Everton, 0.254-m Schmidt-Cassegrain);
    15.07, 11.3, 5.5' (M. Lošťák, 0.2-m Newtonian + CCD);
    14.78, 10.4, 2.3' (O. Miyazaki, 0.32-m Newtonian);
    14.12, 10.4, 5' (J. Gonzalez Suarez, 0.203-m Schmidt-Cassegrain);
    13.16, 11.1, 5.6' (P. Carson, PGC Observatory Z10, Fregenal de la sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    12.78, 9.9, 2.7' (O. Miyazaki, 0.32-m Newtonian);
    11.14, 12.0, -- (G. Pappa, Trecastagni,Sicily, 0.3-m Camera lens + CCD);
    05.09, 11.3, 8.9' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.5' tail in p.a. 74 deg);
aug 31.15, 12.9, 2.4' (D. Heggie, ASERO, Trevinca, Spain, 0.094-m Refractor + CCD);
    29.76, 12.7, 0.7' (S. Yoshida, 0.4-m Newtonian);
    27.16, 12.2, 4.1' (P. Carson, PGC Observatory Z10, Fregenal de la sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    27.09, 11.1, 4' (J. Gonzalez Suarez, 0.203-m Schmidt-Cassegrain);
    26.96, 13.0, 1.8' (A. Novichonok, 0.039-m Refractor + CCD);
    24.09, 12.3, 7' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.5' tail in p.a. 70 deg);
    24.05, 12.5, -- (G. Pappa, Piemonte,Italy (remote control), 0.2-m Newtonian + CCD);


12P/Pons-Brooks
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
sep 18.83, 13.6, 4.7' (M. Phillips, Forthimage Observatory, Edinburgh UK, 0.094-m Refractor + CCD);
    16.82, 14.2, 1.2' (C. Harder, Tewswoos, IHT, 0.531-m Newtonian);
    15.92, 13.1, 1.7' (J. Cerny, 0.355-m Newtonian);
    15.85, 14.3, 0.75' (C. Harder, Tewswoos, IHT, 0.531-m Newtonian);
    15.81, 11.5, 9.2' (P. Dekelver, 0.3-m Newtonian + CCD);
    15.80, 15.5, 0.34' (S. Shurpakov, 0.41-m Newtonian + CCD);
    14.87, 12.0, 9.2' (P. Dekelver, 0.3-m Newtonian + CCD);
    14.80, 12.8, 7.3' (M. Lošťák, 0.2-m Newtonian + CCD);
    14.02, 11.5, 6' (J. Gonzalez Suarez, 0.203-m Schmidt-Cassegrain);
    13.92, 11.4, 11' (P. Dekelver, 0.3-m Newtonian + CCD);
    13.92, 14.5, 1.69' (K. Hills, 0.5-m Newtonian + CCD);
    12.89, 13.1, 4.5' (P. Carson, PGC Observatory Z10, Fregenal de la sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    12.86, 13.1, 5' (M. Phillips, Forthimage Observatory, Edinburgh UK, 0.094-m Refractor + CCD);
    12.52, 13.1, 0.6' (O. Miyazaki, 0.32-m Newtonian);
    12.15, 16.4, 0.2' (D. Heggie, UDRO, Utah, 0.15-m Refractor + CCD);
    11.54, 11.9, 6.3' (K. Yoshimoto, 0.203-m Ritchey-Chretien + CCD);
    10.95, 11.5, 7.3' (P. Dekelver, 0.3-m Newtonian + CCD);
    10.93, 13.2, 0.9' (W. Kutschera, 0.54-m Newtonian);
    10.86, 11.7, 9.2' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.16° tail in p.a. 111 deg);
    10.85, 11.4, 12' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.15° tail in p.a. 111 deg);
    09.92, 12.9, 2' (H. Kiiskinen, 0.4-m Ritchey-Chretien + CCD);
    09.86, 11.4, 12' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.21° tail in p.a. 124 deg);
    09.83, 15.6, 0.34' (S. Shurpakov, 0.41-m Newtonian + CCD);
    09.83, 12.6, 2.9' (M. Lošťák, 0.2-m Newtonian + CCD);
    08.92, 11.4, 7.3' (P. Dekelver, 0.3-m Newtonian + CCD);
    08.85, 11.5, 9.6' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.19° tail in p.a. 108 deg);
    07.94, 11.7, 9.2' (P. Dekelver, 0.3-m Newtonian + CCD);
    07.93, 15.9, 0.38' (S. Shurpakov, 0.41-m Newtonian + CCD);
    07.86, 11.6, 11' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.17° tail in p.a. 110 deg);
    06.92, 11.8, 9' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.17° tail in p.a. 110 deg);
    06.90, 14.6, 2' (M. Phillips, Forthimage Observatory, Edinburgh UK, 0.25-m Newtonian + CCD);
    06.89, 12.1, 7.3' (P. Dekelver, 0.3-m Newtonian + CCD);
    06.82, 12.6, 8.2' (M. Lošťák, 0.2-m Newtonian + CCD);
    06.81, 16.1, 0.44' (S. Shurpakov, 0.2-m Schmidt-Newtonian + CCD);
    05.91, 11.8, 8.4' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.15° tail in p.a. 111 deg);
    05.89, 11.7, 9.2' (P. Dekelver, 0.3-m Newtonian + CCD);
    05.46, 12.9, 0.9' (O. Miyazaki, 0.32-m Newtonian);
    04.95, 11.9, 9.2' (P. Dekelver, 0.3-m Newtonian + CCD);
    04.93, 14.1, 3' (M. Phillips, Forthimage Observatory, Edinburgh UK, 0.25-m Newtonian + CCD);
    04.89, 15.7, 0.1' (D. Heggie, Edinburgh, 0.13-m Newtonian + CCD);
    04.85, 11.5, 9.7' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.21° tail in p.a. 119 deg);
    03.89, 11.6, 7.3' (P. Dekelver, 0.3-m Newtonian + CCD);
    03.89, 16.2, 1' (D. Heggie, Edinburgh, 0.13-m Newtonian + CCD);
aug 31.16, 12.1, 7.2' (T. Lehmann, Utah (remote), 0.106-m Refractor + CCD);
    30.85, 13.0, 2.8' (D. Heggie, ASERO, Trevinca, Spain, 0.094-m Refractor + CCD);
    28.96, 14.4, 0.38' (K. Hills, 0.5-m Newtonian + CCD);
    28.87, 15.6, 0.56' (S. Shurpakov, 0.15-m Volosov-Newtonian + CCD);
    27.85, 11.4, 9.2' (P. Dekelver, 0.3-m Newtonian + CCD);
    27.04, 11.5, 6' (J. Gonzalez Suarez, 0.203-m Schmidt-Cassegrain);
    26.99, 12.7, 3.4' (P. Carson, PGC Observatory Z10, Fregenal de la sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    26.98, 13.6, 2.2' (C. Harder, Jeersdorf f, 0.531-m Newtonian);
    26.91, 11.9, 7.3' (P. Dekelver, 0.3-m Newtonian + CCD);
    26.90, 12.0, -- (G. Pappa, Sardegna,Italy, 0.3-m Camera lens + CCD);
    26.89, 11.6, 5.5' (H. Kiiskinen, 0.4-m Ritchey-Chretien + CCD);
    26.88, 11.7, 7.6' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.07° tail in p.a. 117 deg);
    26.03, 11.7, 9.2' (P. Dekelver, 0.3-m Newtonian + CCD);
    25.82, 12.0, -- (G. Pappa, Sardegna,Italy, 0.3-m Camera lens + CCD);
    24.97, 11.8, 7' (T. Lehmann, Nerpio (remote), 0.25-m Newtonian + CCD; 0.09° tail in p.a. 114 deg);
    24.87, 14.1, 2.07' (K. Hills, 0.5-m Newtonian + CCD);
    23.91, 12.7, 4.5' (D. Heggie, ASERO, Trevinca, Spain, 0.094-m Refractor + CCD);
    23.89, 11.7, 8.3' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.11° tail in p.a. 118 deg);
    23.88, 11.5, 11' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.11° tail in p.a. 129 deg);
    23.85, 11.8, 9.2' (P. Dekelver, 0.3-m Newtonian + CCD);
    23.85, 13.0, 0.7' (U. Pilz, 0.32-m Newtonian);


13P/Olbers
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
sep 21.35, 20.9, -- (J. Maikner, Comet Hunter Observatory 2, 0.305-m Hyperboloid astro-camera + CCD);
    04.00, 21.0, -- (G. Pappa, Namibia (remote control), 0.5-m Prime focus of a reflector + CCD);


29P/Schwassmann-Wachmann
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
sep 20.18, 12.4, 3.2' (P. Carson, PGC Observatory Z10, Fregenal de la sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    18.76, [14.3, -- (C. Wyatt, 0.4-m Newtonian);
    14.11, 11.5, 4.4' (P. Dekelver, 0.3-m Newtonian + CCD);
    13.18, 12.4, 2.4' (P. Carson, PGC Observatory Z10, Fregenal de la sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    11.14, 11.9, 3.7' (P. Dekelver, 0.3-m Newtonian + CCD);
    10.12, 11.8, 3.7' (P. Dekelver, 0.3-m Newtonian + CCD);
    08.16, 12.0, 3.7' (P. Dekelver, 0.3-m Newtonian + CCD);
    07.11, 11.9, 3.7' (P. Dekelver, 0.3-m Newtonian + CCD);
    06.15, 12.2, 3.7' (P. Dekelver, 0.3-m Newtonian + CCD);
    04.15, 11.5, 3.7' (P. Dekelver, 0.3-m Newtonian + CCD);
aug 30.19, 12.7, 1.3' (P. Carson, PGC Observatory Z10, Fregenal de la sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    28.23, 12.5, 1.5' (N. Paul, Canary Islands Spain, 0.28-m Schmidt-Cassegrain + CCD);
    28.22, 12.2, 2.3' (M. Mašek, 0.067-m Camera lens + CCD);
    28.22, 12.6, 2.3' (M. Mašek, 0.067-m Camera lens + CCD);
    28.19, 12.7, 1.1' (P. Carson, PGC Observatory Z10, Fregenal de la sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    28.15, 12.8, 2.6' (P. Dekelver, 0.3-m Newtonian + CCD);
    27.51, 13.2, -- (A. Guerra, Vacaville, California, 0.07-m Refractor + CCD);
    27.19, 12.7, 0.9' (P. Carson, PGC Observatory Z10, Fregenal de la sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    26.81, 12.3, 1.2' (K. Yoshimoto, 0.077-m Refractor + CCD);


32P/Comas Sola
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
sep 20.09, 17.4, 0.4' (P. Carson, PGC Observatory Z10, Fregenal de la sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    14.06, 16.8, 0.7' (P. Dekelver, 0.3-m Newtonian + CCD; 1' tail in p.a. 251 deg);
    12.24, 16.8, 0.38' (K. Hills, 0.5-m Newtonian + CCD);
    11.09, 17.5, 0.2' (P. Dekelver, 0.3-m Newtonian + CCD);
    10.08, 17.0, 0.7' (P. Dekelver, 0.3-m Newtonian + CCD; 0.8' tail in p.a. 253 deg);
    10.08, 17.4, 0.24' (S. Shurpakov, 0.41-m Newtonian + CCD);
    08.12, 17.4, 0.4' (P. Dekelver, 0.3-m Newtonian + CCD; 0.7' tail in p.a. 248 deg);


41P/Tuttle-Giacobini-Kresak
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
aug 26.84, 20.5, -- (G. Pappa, Namibia (remote control), 0.5-m Prime focus of a reflector + CCD);


49P/Arend-Rigaux
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
aug 26.84, 20.0, -- (G. Pappa, Namibia (remote control), 0.5-m Prime focus of a reflector + CCD);


62P/Tsuchinshan
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
sep 15.31, 18.2, -- (J. Maikner, Comet Hunter Observatory 2, 0.305-m Hyperboloid astro-camera + CCD);


71P/Clark
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
sep 16.04, 17.8, 0.24' (S. Shurpakov, 0.41-m Newtonian + CCD);
    15.00, 16.3, 0.7' (P. Dekelver, 0.3-m Newtonian + CCD);
    11.04, 16.4, 0.7' (P. Dekelver, 0.3-m Newtonian + CCD);
    10.03, 17.4, 0.19' (S. Shurpakov, 0.41-m Newtonian + CCD);
    07.16, 18.4, 0.38' (K. Hills, 0.5-m Newtonian + CCD);


95P/Chiron
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
sep 09.00, 18.2, 0.38' (K. Hills, 0.5-m Newtonian + CCD);


103P/Hartley
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
sep 21.08, 10.9, 2.6' (E. Banach, 0.25-m Newtonian);
    20.47, 9.9, 5' (C. Hergenrother, 30x125.0 Binoculars);
    20.13, 9.5, 9.2' (P. Carson, PGC Observatory Z10, Fregenal de la sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    18.72, 10.6, 5' (C. Wyatt, 0.4-m Newtonian);
    18.62, 10.4, 2' (O. Miyazaki, 0.32-m Newtonian);
    18.10, 10.9, 4.7' (W. Kutschera, 0.25-m Newtonian);
    17.33, 9.2, 4' (M. Goiato, 0.22-m Newtonian);
    17.04, 9.2, 10' (P. Guzik, 25x100 Binoculars);
    16.99, 10.2, 3.5' (V. Bespalov, Moscow region, Ruza district, 0.2-m Newtonian);
    16.94, 10.3, 5' (C. Harder, Tewswoos, IHT, 0.531-m Newtonian);
    16.81, 10.5, 3.5' (O. Miyazaki, 0.32-m Newtonian);
    16.63, 10.9, 2.1' (Y. Yamaguchi, 0.076-m Refractor + CCD);
    16.10, 9.6, 5' (M. Mašek, 0.4-m Newtonian);
    16.08, 10.7, 2' (J. Powichrowski, Knyszyn, 0.35-m Newtonian);
    16.00, 9.4, 6.8' (J. Cerny, 25x100 Binoculars);
    15.96, 9.4, 5.6' (J. Cerny, 0.355-m Newtonian);
    15.94, 10.2, 5' (C. Harder, Tewswoos, IHT, 0.531-m Newtonian);
    15.91, 13.6, 0.72' (S. Shurpakov, 0.41-m Newtonian + CCD);
    15.47, 9.8, 3' (C. Hergenrother, 30x125.0 Binoculars);
    15.11, 10.4, 3' (A. Scholten, Eerbeek, 0.2-m Newtonian);
    14.97, 10.9, 7.3' (M. Lošťák, 0.2-m Newtonian + CCD);
    14.88, 10.3, 5' (H. Kiiskinen, 0.4-m Ritchey-Chretien + CCD);
    14.77, 11.5, 2.7' (O. Miyazaki, 0.32-m Newtonian);
    14.09, 11.3, 5.5' (P. Dekelver, 0.3-m Newtonian + CCD);
    13.96, 10.1, 5' (J. Gonzalez Suarez, 0.203-m Schmidt-Cassegrain);
    13.88, 10.4, 4.5' (C. Harder, Jeersdorf f, 0.298-m Newtonian);
    13.36, 10.1, 8.2' (K. Yoshimoto, 0.106-m Refractor + CCD; 10' tail in p.a. 260 deg);
    13.12, 9.9, 0.9' (P. Carson, PGC Observatory Z10, Fregenal de la sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    12.75, 10.8, 3' (O. Miyazaki, 0.32-m Newtonian);
    12.07, 11.5, 2.2' (M. Mašek, 0.2-m Newtonian);
    12.04, 11.5, 3.3' (E. Banach, Krapkowice, 0.25-m Newtonian);
    11.91, 13.4, 0.96' (S. Shurpakov, 0.41-m Newtonian + CCD);
    11.11, 10.0, 11' (P. Dekelver, 0.3-m Newtonian + CCD);
    11.09, 10.8, 5.8' (W. Kutschera, 0.25-m Newtonian);
    11.06, 9.4, 22' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD);
    10.10, 10.4, 7.3' (P. Dekelver, 0.3-m Newtonian + CCD);
    10.02, 9.6, 18' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD);
    10.00, 10.8, 8.2' (M. Lošťák, 0.2-m Newtonian + CCD);
    09.96, 9.8, 13' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.07° tail in p.a. 261 deg);
    09.92, 10.3, 3.5' (C. Harder, Jeersdorf h, 0.298-m Newtonian);
    09.89, 14.1, 0.58' (S. Shurpakov, 0.41-m Newtonian + CCD; 0.8' tail in p.a. 240 deg);
    09.88, 11.3, 3' (H. Kiiskinen, 0.4-m Ritchey-Chretien + CCD);
    09.86, 10.0, 3' (V. Bespalov, Moscow region, Ruza district, 0.2-m Newtonian);
    09.05, 9.9, 13' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 1.3' tail in p.a. 261 deg);
    09.03, 11.0, 5.5' (W. Kutschera, 0.25-m Newtonian);
    08.97, 10.3, 2' (M. Reszelski, Jastrowo near Szamotuly, Poland, 25x100 Binoculars);
    08.93, 9.7, 3' (M. Deconinck, Clamensane France, 0.46-m Newtonian; 4' tail);
    08.90, 10.5, 3.5' (C. Harder, Jeersdorf f, 0.531-m Newtonian);
    08.14, 11.8, 3.7' (P. Dekelver, 0.3-m Newtonian + CCD; 3.2' tail in p.a. 258 deg);
    08.11, 9.6, 17' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.06° tail in p.a. 256 deg);
    07.83, 14.4, 0.48' (S. Shurpakov, 0.41-m Newtonian + CCD);
    06.97, 9.9, 12' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 2.1' tail in p.a. 255 deg);
    06.96, 9.9, 13' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.04° tail in p.a. 256 deg);
    06.85, 10.7, 3.8' (C. Harder, Jeersdorf f, 0.353-m Newtonian);
    05.21, 11.0, 5' (D. Heggie, UDRO, Utah, 0.15-m Refractor + CCD);
    05.01, 10.2, 10' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.04° tail in p.a. 254 deg);
    04.86, 12.9, 1.1' (D. Heggie, Edinburgh, 0.13-m Newtonian + CCD);
    03.98, 12.9, 1.5' (P. Dekelver, 0.3-m Newtonian + CCD);
    02.90, 15.7, 0.29' (S. Shurpakov, 0.41-m Newtonian + CCD);
aug 29.74, 12.3, 1.2' (O. Miyazaki, 0.32-m Newtonian);
    29.14, 10.1, 13' (T. Lehmann, Nerpio (remote), 0.25-m Newtonian + CCD; 1.7' tail in p.a. 247 deg);
    28.18, 10.2, 9.1' (M. Mašek, 0.25-m Schmidt-Cassegrain + CCD);
    28.18, 12.4, 2.9' (M. Mašek, 0.25-m Schmidt-Cassegrain + CCD; 1.7' tail in p.a. 249 deg);
    28.07, 10.5, 8' (P. Guzik, 25x100 Binoculars);
    28.02, 10.5, 5' (C. Harder, Jeersdorf f, 0.298-m Newtonian);
    27.90, 12.8, 2.6' (P. Dekelver, 0.3-m Newtonian + CCD; 3.5' tail in p.a. 250 deg);
    27.07, 10.9, 7.7' (P. Carson, PGC Observatory Z10, Fregenal de la sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    27.05, 11.0, 5' (J. Gonzalez Suarez, 0.203-m Schmidt-Cassegrain);
    27.02, 12.5, 2.9' (P. Dekelver, 0.3-m Newtonian + CCD);
    27.00, 11.5, 3.2' (E. van Dijk, 0.155-m Newtonian);
    26.99, 11.6, 4' (C. Harder, Jeersdorf f, 0.531-m Newtonian);
    26.94, 10.6, 11' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.05° tail in p.a. 248 deg);
    26.91, 12.1, 3' (H. Kiiskinen, 0.4-m Ritchey-Chretien + CCD);
    26.12, 12.0, -- (G. Pappa, Sardegna,Italy, 0.3-m Camera lens + CCD);
    26.07, 13.1, 1.8' (P. Dekelver, 0.3-m Newtonian + CCD);
    25.73, 12.5, 1.6' (O. Miyazaki, 0.32-m Newtonian);
    25.70, 13.0, 1' (C. Wyatt, 0.4-m Newtonian);
    25.12, 10.2, 14' (T. Lehmann, Nerpio (remote), 0.25-m Newtonian + CCD; 1.5' tail in p.a. 249 deg);
    25.09, 11.0, 5' (P. Guzik, 25x100 Binoculars);
    24.74, 12.6, 0.7' (O. Miyazaki, 0.32-m Newtonian);
    24.44, 14.1, 1.6' (D. Heggie, UDRO, Utah, 0.25-m Hyperboloid astro-camera + CCD; 1.9' tail in p.a. 250 deg);
    24.00, 13.6, 1.5' (P. Dekelver, 0.3-m Newtonian + CCD);
    23.98, 10.8, 11' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.06° tail in p.a. 248 deg);
    23.97, 10.6, 14' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.08° tail in p.a. 246 deg);


117P/Helin-Roman-Alu
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
sep 14.98, 14.4, 0.4' (P. Dekelver, 0.3-m Newtonian + CCD; 5.3' tail in p.a. 238 deg);
    11.02, 15.4, 1.5' (P. Dekelver, 0.3-m Newtonian + CCD; 11.6' tail in p.a. 242 deg);
    10.11, 17.1, 0.38' (K. Hills, 0.5-m Newtonian + CCD);
    10.06, 14.9, 2.4' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.1° tail in p.a. 244 deg);
    10.01, 15.8, 0.7' (P. Dekelver, 0.3-m Newtonian + CCD; 7.7' tail in p.a. 244 deg);
    10.01, 16.3, 0.29' (S. Shurpakov, 0.41-m Newtonian + CCD; 2.7' tail in p.a. 256 deg);
    09.01, 15.6, 1.1' (P. Dekelver, 0.3-m Newtonian + CCD; 7.4' tail in p.a. 243 deg);
    09.00, 15.6, 1.1' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.26° tail in p.a. 243 deg);
    08.03, 15.8, 0.7' (P. Dekelver, 0.3-m Newtonian + CCD; 9.7' tail in p.a. 244 deg);
    04.97, 15.5, 1.1' (P. Dekelver, 0.3-m Newtonian + CCD; 11' tail in p.a. 240 deg);
aug 24.02, 15.7, 1.1' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.56° tail in p.a. 243 deg);


126P/IRAS
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
sep 21.95, 14.4, 0.4' (T. Karhula, Virsbo, Sweden, 0.305-m Newtonian);
    16.04, 13.7, 1.8' (P. Dekelver, 0.3-m Newtonian + CCD; 3.2' tail in p.a. 231 deg);
    15.93, 15.6, 0.34' (S. Shurpakov, 0.41-m Newtonian + CCD; 2.6' tail in p.a. 233 deg);
    15.89, 14.3, 0.5' (C. Harder, Tewswoos, IHT, 0.531-m Newtonian);
    13.08, 14.7, 0.8' (P. Carson, PGC Observatory Z10, Fregenal de la sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    11.89, 15.9, 0.38' (S. Shurpakov, 0.41-m Newtonian + CCD; 3' tail in p.a. 233 deg);
    11.19, 15.1, 0.75' (K. Hills, 0.5-m Newtonian + CCD);
    10.98, 13.8, 2.6' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.05° tail in p.a. 235 deg);
    10.19, 15.3, 0.56' (K. Hills, 0.5-m Newtonian + CCD);
    09.98, 13.6, 4' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.1° tail in p.a. 228 deg);
    09.97, 15.3, 1.6' (M. Lošťák, 0.2-m Newtonian + CCD);
    09.91, 14.4, 1' (H. Kiiskinen, 0.4-m Ritchey-Chretien + CCD; 1.9' tail in p.a. 228 deg);
    09.85, 15.7, 0.34' (S. Shurpakov, 0.41-m Newtonian + CCD; 2' tail in p.a. 238 deg);
    08.94, 13.5, 0.8' (W. Kutschera, 0.54-m Newtonian);
    08.09, 14.1, 2' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.16° tail in p.a. 228 deg);
    07.85, 15.9, 0.34' (S. Shurpakov, 0.41-m Newtonian + CCD; 1.5' tail in p.a. 235 deg);
    07.00, 14.9, 0.4' (P. Dekelver, 0.3-m Newtonian + CCD; 1.4' tail in p.a. 241 deg);
    05.05, 14.2, 1.5' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.12° tail in p.a. 233 deg);
    05.04, 14.0, 1.8' (P. Dekelver, 0.3-m Newtonian + CCD; 4.4' tail in p.a. 231 deg);
    04.01, 13.8, 0.6' (P. Dekelver, 0.3-m Newtonian + CCD);
aug 27.93, 13.9, 0.7' (P. Dekelver, 0.3-m Newtonian + CCD);
    27.11, 14.6, 1.5' (P. Carson, PGC Observatory Z10, Fregenal de la sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    27.02, 14.2, 0.7' (C. Harder, Jeersdorf f, 0.531-m Newtonian);
    26.97, 14.1, 1.8' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.09° tail in p.a. 234 deg);
    26.95, 12.2, 3.7' (P. Dekelver, 0.3-m Newtonian + CCD);
    26.92, 14.2, 1' (H. Kiiskinen, 0.4-m Ritchey-Chretien + CCD; 1.3' tail in p.a. 236 deg);
    25.71, 14.5, 0.5' (C. Wyatt, 0.4-m Newtonian);
    24.03, 13.9, 1.1' (P. Dekelver, 0.3-m Newtonian + CCD; 4' tail in p.a. 245 deg);


144P/Kushida
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
sep 12.22, 19.2, 0.38' (K. Hills, 0.5-m Newtonian + CCD);


170P/Christensen
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
sep 13.24, 17.7, 0.38' (K. Hills, 0.5-m Newtonian + CCD);
    04.03, 17.5, -- (G. Pappa, Namibia (remote control), 0.5-m Prime focus of a reflector + CCD);


199P/Shoemaker
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
sep 03.87, 16.2, -- (G. Pappa, Namibia (remote control), 0.2-m Newtonian + CCD);


219P/LINEAR
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
sep 10.90, 17.9, 0.38' (K. Hills, 0.5-m Newtonian + CCD);


237P/LINEAR
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
sep 14.84, 15.3, 0.9' (M. Lošťák, 0.2-m Newtonian + CCD);
    10.93, 14.4, 1.32' (K. Hills, 0.5-m Newtonian + CCD);
    09.95, 15.4, 0.24' (S. Shurpakov, 0.41-m Newtonian + CCD);
    09.89, 13.5, 2.8' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.06° tail in p.a. 217 deg);
    09.81, 13.5, 2.3' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD);
    07.78, 15.7, 0.43' (S. Shurpakov, 0.41-m Newtonian + CCD);
    05.82, 13.1, 0.7' (C. Harder, Jeersdorf f, 0.353-m Newtonian);
    04.89, 13.1, 3.4' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.06° tail in p.a. 215 deg);
    04.85, 13.4, 0.6' (P. Dekelver, 0.3-m Newtonian + CCD);
    03.94, 14.1, 1.32' (K. Hills, 0.5-m Newtonian + CCD);
    02.84, 15.8, 0.29' (S. Shurpakov, 0.41-m Newtonian + CCD);
aug 26.90, 13.8, 0.8' (H. Kiiskinen, 0.4-m Ritchey-Chretien + CCD);
    24.86, 12.7, 2.7' (M. Paradowski, Dabrowa, 0.254-m Schmidt-Newtonian + CCD);
    24.07, 14.1, 1.5' (K. Hills, 0.5-m Newtonian + CCD);
    23.85, 13.1, 0.8' (U. Pilz, 0.32-m Newtonian);


242P/Spahr
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
sep 12.10, 20.0, 0.38' (K. Hills, 0.5-m Newtonian + CCD);
    10.10, 20.0, 0.38' (K. Hills, 0.5-m Newtonian + CCD);


276P/Vorobjov
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
sep 15.10, 18.5, -- (J. Maikner, Comet Hunter Observatory 2, 0.305-m Hyperboloid astro-camera + CCD);


287P/Christensen
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
sep 06.11, 18.5, 0.38' (K. Hills, 0.5-m Newtonian + CCD);
    03.84, 19.0, -- (G. Pappa, Namibia (remote control), 0.5-m Prime focus of a reflector + CCD);
aug 24.10, 19.1, 0.38' (K. Hills, 0.5-m Newtonian + CCD);


309P/LINEAR
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
sep 02.82, 20.0, -- (G. Pappa, Namibia (remote control), 0.5-m Prime focus of a reflector + CCD);


310P/Hill
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
aug 31.18, 20.0, -- (G. Pappa, Spain (remote control), 0.5-m Prime focus of a reflector + CCD);


311P/PANSTARRS
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
sep 17.31, 20.9, -- (J. Maikner, Comet Hunter Observatory 2, 0.305-m Hyperboloid astro-camera + CCD);


364P/PANSTARRS
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
sep 09.21, 20.4, 0.38' (K. Hills, 0.5-m Newtonian + CCD);


465P/Hill
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
sep 15.24, 18.7, 0.38' (K. Hills, 0.5-m Newtonian + CCD);


466P/PANSTARRS
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
sep 14.13, 18.9, 0.38' (K. Hills, 0.5-m Newtonian + CCD);
    07.14, 19.0, 0.38' (K. Hills, 0.5-m Newtonian + CCD);


C/2017 K2 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
sep 20.15, 12.6, 1.5' (P. Carson, PGC Observatory Z10, Fregenal de la sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    18.72, 13.9, 0.9' (C. Wyatt, 0.4-m Newtonian);
    16.07, 14.3, 0.29' (S. Shurpakov, 0.41-m Newtonian + CCD);
    15.25, 13.1, 1.13' (K. Hills, 0.5-m Newtonian + CCD);
    14.14, 12.2, 3.7' (T. Lehmann, Hakos (remote), 0.2-m Newtonian + CCD; 0.4° tail in p.a. 184 deg);
    12.79, 11.0, 1.5' (O. Miyazaki, 0.32-m Newtonian);
aug 25.73, 13.2, 0.7' (C. Wyatt, 0.4-m Newtonian);


C/2019 F1 (ATLAS-Africano)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
sep 16.22, 20.0, 0.38' (K. Hills, 0.5-m Newtonian + CCD);


C/2019 O3
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
sep 15.82, 18.3, 0.19' (S. Shurpakov, 0.41-m Newtonian + CCD; 0.6' tail in p.a. 99 deg);
    11.87, 17.6, 0.24' (S. Shurpakov, 0.41-m Newtonian + CCD);
    09.86, 17.9, 0.19' (S. Shurpakov, 0.41-m Newtonian + CCD);
    06.88, 18.4, 0.33' (S. Shurpakov, 0.2-m Schmidt-Newtonian + CCD);
aug 30.88, 18.9, 0.38' (K. Hills, 0.5-m Newtonian + CCD);
    23.92, 18.4, 0.38' (K. Hills, 0.5-m Newtonian + CCD);


C/2019 T4 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
sep 15.78, 16.0, 0.24' (S. Shurpakov, 0.41-m Newtonian + CCD);
    14.88, 14.3, 0.7' (P. Dekelver, 0.3-m Newtonian + CCD);
    10.88, 13.8, 1.8' (P. Dekelver, 0.3-m Newtonian + CCD; 8.1' tail in p.a. 236 deg);
    10.81, 14.1, 3.1' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.04° tail in p.a. 238 deg);
    09.86, 13.9, 2.6' (P. Dekelver, 0.3-m Newtonian + CCD; 9.4' tail in p.a. 237 deg);
    09.78, 15.4, 0.53' (S. Shurpakov, 0.41-m Newtonian + CCD);
    08.86, 13.4, 3.7' (P. Dekelver, 0.3-m Newtonian + CCD; 6.9' tail in p.a. 231 deg);
    07.87, 13.8, 3.7' (P. Dekelver, 0.3-m Newtonian + CCD; 6.8' tail in p.a. 233 deg);
    06.86, 13.9, 3.7' (P. Dekelver, 0.3-m Newtonian + CCD; 8.5' tail in p.a. 235 deg);
    06.85, 14.1, 2.1' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.14° tail in p.a. 236 deg);
    06.79, 16.3, 0.67' (S. Shurpakov, 0.2-m Schmidt-Newtonian + CCD);
    05.86, 13.7, 2.6' (P. Dekelver, 0.3-m Newtonian + CCD; 5.2' tail in p.a. 235 deg);
    03.84, 14.0, 1.1' (P. Dekelver, 0.3-m Newtonian + CCD; 6.6' tail in p.a. 237 deg);
aug 28.88, 14.3, 1.13' (K. Hills, 0.5-m Newtonian + CCD);
    23.88, 13.6, 3.7' (P. Dekelver, 0.3-m Newtonian + CCD; 11.2' tail in p.a. 235 deg);


C/2020 F5 (MASTER)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
sep 16.09, 19.3, 0.38' (K. Hills, 0.5-m Newtonian + CCD);
    07.88, 17.9, 0.1' (S. Shurpakov, 0.41-m Newtonian + CCD);


C/2020 K1 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
sep 18.71, 14.0, 0.8' (C. Wyatt, 0.4-m Newtonian);
    16.45, 13.4, 1' (C. Wyatt, 0.4-m Newtonian);
    09.43, 13.4, 1' (C. Wyatt, 0.4-m Newtonian);
    03.75, 13.4, 2.6' (T. Lehmann, Hakos (remote), 0.2-m Newtonian + CCD; 0.09° tail in p.a. 117 deg);
aug 25.73, 13.6, 0.8' (C. Wyatt, 0.4-m Newtonian);


C/2020 R7 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
sep 09.88, 16.9, 0.6' (P. Dekelver, 0.3-m Newtonian + CCD);
    08.88, 17.3, 0.6' (P. Dekelver, 0.3-m Newtonian + CCD);
    07.89, 17.1, 0.7' (P. Dekelver, 0.3-m Newtonian + CCD);
    07.83, 17.4, 0.9' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.06° tail in p.a. 145 deg);
aug 30.90, 18.5, 0.38' (K. Hills, 0.5-m Newtonian + CCD);
    23.90, 17.5, 0.4' (P. Dekelver, 0.3-m Newtonian + CCD; 0.7' tail in p.a. 140 deg);


C/2020 U4 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
aug 23.95, 18.6, 0.4' (P. Dekelver, 0.3-m Newtonian + CCD);


C/2020 V2 (ZTF)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
sep 20.46, 10.1, 3' (C. Hergenrother, 30x125.0 Binoculars);
    20.07, 10.1, 7.5' (P. Carson, PGC Observatory Z10, Fregenal de la sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    18.70, 10.2, 3' (C. Wyatt, 0.4-m Newtonian; 18' tail in p.a. 3 deg);
    18.63, 10.6, 1.7' (O. Miyazaki, 0.32-m Newtonian);
    17.20, 9.8, 4' (M. Goiato, 0.22-m Newtonian);
    17.05, 10.1, 3' (P. Guzik, 25x100 Binoculars);
    17.00, 10.5, 3' (C. Harder, Tewswoos, IHT, 0.531-m Newtonian);
    16.77, 9.9, 2' (O. Miyazaki, 0.32-m Newtonian);
    16.48, 10.9, 6' (C. Wyatt, 0.4-m Newtonian; 3.5' tail in p.a. 335 deg);
    16.29, 9.8, 4' (M. Goiato, 0.22-m Newtonian);
    16.17, 10.1, 7.14' (K. Hills, 0.5-m Newtonian + CCD);
    16.08, 10.7, 9.2' (P. Dekelver, 0.3-m Newtonian + CCD; 14.2' tail in p.a. 11 deg);
    16.05, 10.9, 0.96' (S. Shurpakov, 0.41-m Newtonian + CCD; 9.8' tail in p.a. 1 deg);
    16.03, 9.6, 3' (C. Harder, Tewswoos, IHT, 0.531-m Newtonian);
    16.02, 10.2, 3.1' (J. Cerny, 0.355-m Newtonian);
    15.59, 9.6, 5' (M. Mattiazzo, Swan Hill, Victoria, 25x100 Binoculars);
    15.05, 10.4, 5.5' (P. Dekelver, 0.3-m Newtonian + CCD; 14.4' tail in p.a. 13 deg);
    14.79, 10.4, 1.7' (O. Miyazaki, 0.32-m Newtonian);
    14.09, 9.4, 16' (T. Lehmann, Hakos (remote), 0.2-m Newtonian + CCD; 0.69° tail in p.a. 9 deg);
    14.05, 9.6, 3.5' (J. Gonzalez Suarez, 0.203-m Schmidt-Cassegrain);
    14.04, 9.8, 9.2' (P. Dekelver, 0.3-m Newtonian + CCD; 14.6' tail in p.a. 12 deg);
    13.10, 9.9, 8.5' (P. Carson, PGC Observatory Z10, Fregenal de la sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    12.76, 10.7, 1.7' (O. Miyazaki, 0.32-m Newtonian);
    11.06, 9.5, 9.2' (P. Dekelver, 0.3-m Newtonian + CCD; 14.3' tail in p.a. 11 deg);
    10.10, 9.3, 18' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.38° tail in p.a. 11 deg);
    10.06, 9.8, 7.3' (P. Dekelver, 0.3-m Newtonian + CCD; 13.9' tail in p.a. 9 deg);
    10.06, 10.7, 1.5' (S. Shurpakov, 0.41-m Newtonian + CCD; 7' tail in p.a. 9 deg);
    09.19, 9.9, 7.52' (K. Hills, 0.5-m Newtonian + CCD);
    09.06, 10.3, 9.2' (P. Dekelver, 0.3-m Newtonian + CCD; 14' tail in p.a. 8 deg);
    08.07, 10.0, 7.3' (P. Dekelver, 0.3-m Newtonian + CCD; 13.8' tail in p.a. 8 deg);
    05.01, 10.4, 7.3' (P. Dekelver, 0.3-m Newtonian + CCD; 14.4' tail in p.a. 11 deg);
    03.90, 10.0, 2' (G. Pappa, Namibia (remote control), 0.2-m Newtonian + CCD);
aug 29.79, 11.1, 2.5' (S. Yoshida, 0.4-m Newtonian);
    29.77, 10.7, 2.1' (O. Miyazaki, 0.32-m Newtonian; 2' tail in p.a. 340 deg);
    28.46, 9.8, 2' (C. Hergenrother, 30x125.0 Binoculars);
    28.08, 10.0, 2.2' (C. Harder, Jeersdorf f, 0.298-m Newtonian);
    27.76, 10.6, 1.7' (O. Miyazaki, 0.32-m Newtonian);
    27.14, 9.8, 9' (P. Carson, PGC Observatory Z10, Fregenal de la sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    27.10, 9.6, 3.5' (J. Gonzalez Suarez, 0.203-m Schmidt-Cassegrain);
    27.10, 10.2, 4' (E. van Dijk, 0.155-m Newtonian);
    25.76, 10.5, 2' (O. Miyazaki, 0.32-m Newtonian);
    25.69, 9.9, 3.4' (C. Wyatt, 0.4-m Newtonian; 15' tail in p.a. 7 deg);
    25.46, 9.9, 2' (C. Hergenrother, 30x125.0 Binoculars);
    25.13, 10.2, 2.5' (C. Labordena, Castellfort, 0.2-m Schmidt-Cassegrain);
    25.08, 9.4, 16' (T. Lehmann, Hakos (remote), 0.2-m Newtonian + CCD; 0.54° tail in p.a. 9 deg);
    24.77, 10.6, 1.7' (O. Miyazaki, 0.32-m Newtonian);
    24.33, 10.5, 2' (J. de Souza Aguiar, 0.27-m Newtonian);
    24.15, 9.9, 2.8' (W. Kutschera, 0.25-m Newtonian);
    24.06, 10.0, 3.1' (J. Cerny, 25x100 Binoculars);


C/2020 Y2 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
sep 11.23, 17.2, 0.38' (K. Hills, 0.5-m Newtonian + CCD);
    11.10, 16.1, 1.4' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD);
    09.25, 17.2, 0.38' (K. Hills, 0.5-m Newtonian + CCD);


C/2021 S3 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
sep 14.15, 12.9, 2.3' (T. Lehmann, Hakos (remote), 0.2-m Newtonian + CCD; 0.08° tail in p.a. 253 deg);
    04.16, 13.0, -- (G. Pappa, Namibia (remote control), 0.2-m Newtonian + CCD);
aug 25.76, 13.1, 0.7' (C. Wyatt, 0.4-m Newtonian);
    25.16, 13.4, 1.5' (T. Lehmann, Hakos (remote), 0.2-m Newtonian + CCD; 0.08° tail in p.a. 256 deg);


C/2021 S4 (Tsuchinshan)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
sep 11.93, 18.0, 0.14' (S. Shurpakov, 0.41-m Newtonian + CCD);


C/2021 T4 (Lemmon)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
sep 10.78, 11.7, 5.3' (T. Lehmann, Hakos (remote), 0.2-m Newtonian + CCD; 0.29° tail in p.a. 125 deg);
    09.44, 11.5, 2.9' (C. Wyatt, 0.4-m Newtonian);
    03.78, 10.9, 8.6' (T. Lehmann, Hakos (remote), 0.2-m Newtonian + CCD; 0.27° tail in p.a. 123 deg);


C/2021 X1 (Maury-Attard)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
sep 20.04, 14.6, 1.1' (P. Carson, PGC Observatory Z10, Fregenal de la sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    18.69, 14.6, 1.3' (C. Wyatt, 0.4-m Newtonian);
    16.49, 14.5, 0.5' (C. Wyatt, 0.4-m Newtonian);
    16.14, 15.0, 0.75' (K. Hills, 0.5-m Newtonian + CCD);
    16.01, 15.3, 0.34' (S. Shurpakov, 0.41-m Newtonian + CCD; 9' tail in p.a. 116 deg);
    15.98, 14.2, 1.8' (P. Dekelver, 0.3-m Newtonian + CCD; 11.6' tail in p.a. 111 deg);
    15.03, 14.4, 1.8' (P. Dekelver, 0.3-m Newtonian + CCD; 10.5' tail in p.a. 111 deg);
    14.99, 15.0, 1.1' (M. Lošťák, 0.2-m Newtonian + CCD);
    14.02, 13.9, 2.2' (P. Dekelver, 0.3-m Newtonian + CCD; 11.2' tail in p.a. 114 deg);
    11.96, 15.6, 0.38' (S. Shurpakov, 0.41-m Newtonian + CCD; 9' tail in p.a. 114 deg);
    11.02, 13.8, 3.5' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.13° tail in p.a. 114 deg);
    10.05, 15.4, 0.38' (S. Shurpakov, 0.41-m Newtonian + CCD; 9.3' tail in p.a. 113 deg);
    10.03, 14.3, 1.8' (P. Dekelver, 0.3-m Newtonian + CCD; 11.9' tail in p.a. 113 deg);
    09.90, 14.2, 1.2' (H. Kiiskinen, 0.4-m Ritchey-Chretien + CCD; 3.4' tail in p.a. 115 deg);
    09.15, 15.9, 0.56' (K. Hills, 0.5-m Newtonian + CCD);
    09.04, 14.1, 2.6' (P. Dekelver, 0.3-m Newtonian + CCD; 16.1' tail in p.a. 114 deg);
    08.05, 14.1, 1.8' (P. Dekelver, 0.3-m Newtonian + CCD; 20.5' tail in p.a. 116 deg);
    06.93, 14.1, 2.8' (P. Dekelver, 0.3-m Newtonian + CCD; 6.5' tail in p.a. 116 deg);
    06.00, 14.4, 2' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.23° tail in p.a. 115 deg);
    05.93, 14.1, 1.8' (P. Dekelver, 0.3-m Newtonian + CCD; 8.2' tail in p.a. 110 deg);
    04.99, 13.4, 1.8' (P. Dekelver, 0.3-m Newtonian + CCD; 8.9' tail in p.a. 113 deg);
aug 28.14, 14.7, 1.3' (P. Carson, PGC Observatory Z10, Fregenal de la sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    27.03, 15.2, 0.3' (C. Harder, Jeersdorf f, 0.531-m Newtonian);
    25.69, 14.8, 0.6' (C. Wyatt, 0.4-m Newtonian);
    25.07, 13.8, 1.3' (M. Paradowski, Dabrowa, Poland, 0.254-m Schmidt-Newtonian + CCD);
    24.05, 14.5, 2' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.16° tail in p.a. 118 deg);
    23.99, 14.1, 2.4' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.08° tail in p.a. 117 deg);


C/2022 A2 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
sep 18.68, 12.8, 1.4' (C. Wyatt, 0.4-m Newtonian);
    18.60, 12.2, 1.4' (O. Miyazaki, 0.32-m Newtonian);
    16.84, 11.9, 2.1' (C. Harder, Tewswoos, IHT, 0.531-m Newtonian);
    16.49, 13.0, 1.4' (Y. Yamaguchi, 0.076-m Refractor + CCD);
    16.48, 12.6, 2.5' (C. Wyatt, 0.4-m Newtonian);
    16.23, 12.1, 1' (M. Goiato, 0.22-m Newtonian);
    15.99, 14.8, 0.48' (S. Shurpakov, 0.41-m Newtonian + CCD);
    15.89, 12.1, 5.5' (P. Dekelver, 0.3-m Newtonian + CCD; 13.9' tail in p.a. 356 deg);
    15.88, 11.7, 3.5' (C. Harder, Tewswoos, IHT, 0.531-m Newtonian);
    14.96, 12.0, 5.5' (P. Dekelver, 0.3-m Newtonian + CCD; 13.8' tail in p.a. 358 deg);
    14.91, 12.6, 5.5' (M. Lošťák, 0.2-m Newtonian + CCD);
    14.00, 12.5, 5.5' (P. Dekelver, 0.3-m Newtonian + CCD; 12.9' tail in p.a. 350 deg);
    13.87, 11.7, 3.5' (C. Harder, Jeersdorf f, 0.298-m Newtonian);
    13.05, 12.5, 3.4' (P. Carson, PGC Observatory Z10, Fregenal de la sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    12.54, 11.7, 0.8' (O. Miyazaki, 0.32-m Newtonian);
    11.00, 11.8, 5.5' (P. Dekelver, 0.3-m Newtonian + CCD; 13.9' tail in p.a. 355 deg);
    10.99, 12.6, 3.5' (W. Kutschera, 0.25-m Newtonian);
    10.93, 11.6, 9.5' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.31° tail in p.a. 354 deg);
    10.07, 12.8, 2.82' (K. Hills, 0.5-m Newtonian + CCD);
    09.99, 11.6, 7.3' (P. Dekelver, 0.3-m Newtonian + CCD; 13.7' tail in p.a. 357 deg);
    09.98, 14.6, 0.53' (S. Shurpakov, 0.41-m Newtonian + CCD);
    09.94, 11.5, 11' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.25° tail in p.a. 354 deg);
    09.93, 12.0, 5.8' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.49° tail in p.a. 355 deg);
    09.90, 12.6, 7.3' (M. Lošťák, 0.2-m Newtonian + CCD);
    09.89, 12.2, 3' (H. Kiiskinen, 0.4-m Ritchey-Chretien + CCD; 2.6' tail in p.a. 352 deg);
    09.46, 12.7, 2.1' (C. Wyatt, 0.4-m Newtonian);
    08.99, 11.9, 5.5' (P. Dekelver, 0.3-m Newtonian + CCD; 13.7' tail in p.a. 354 deg);
    08.88, 11.4, 3.5' (C. Harder, Jeersdorf f, 0.531-m Newtonian);
    08.01, 12.2, 3.7' (P. Dekelver, 0.3-m Newtonian + CCD; 13.8' tail in p.a. 358 deg);
    07.95, 12.8, -- (W. Kutschera, 0.54-m Newtonian);
    07.82, 14.5, 0.58' (S. Shurpakov, 0.41-m Newtonian + CCD; 4.5' tail in p.a. 343 deg);
    06.95, 12.3, 3.7' (P. Dekelver, 0.3-m Newtonian + CCD; 14' tail in p.a. 350 deg);
    06.89, 12.8, 6.4' (M. Lošťák, 0.2-m Newtonian + CCD);
    06.83, 11.8, 3' (C. Harder, Jeersdorf f, 0.353-m Newtonian);
    05.96, 11.7, 7.3' (P. Dekelver, 0.3-m Newtonian + CCD; 13.5' tail in p.a. 353 deg);
    05.83, 12.0, 2.2' (C. Harder, Jeersdorf f, 0.353-m Newtonian);
    04.97, 11.9, 6.5' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.33° tail in p.a. 354 deg);
    04.90, 12.1, 5.5' (P. Dekelver, 0.3-m Newtonian + CCD; 13.7' tail in p.a. 352 deg);
    03.96, 13.3, 1.1' (P. Dekelver, 0.3-m Newtonian + CCD);
    03.87, 12.2, 2' (G. Pappa, Namibia (remote control), 0.2-m Newtonian + CCD);
aug 29.75, 12.2, 1' (O. Miyazaki, 0.32-m Newtonian);
    27.88, 11.7, 5.5' (P. Dekelver, 0.3-m Newtonian + CCD; 13.9' tail in p.a. 351 deg);
    27.05, 12.1, 5.1' (P. Carson, PGC Observatory Z10, Fregenal de la sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    26.95, 12.0, 5.5' (P. Dekelver, 0.3-m Newtonian + CCD; 14.1' tail in p.a. 354 deg);
    26.95, 12.0, 3' (C. Harder, Jeersdorf f, 0.531-m Newtonian);
    26.90, 12.1, 3' (H. Kiiskinen, 0.4-m Ritchey-Chretien + CCD);
    26.06, 12.0, 5.5' (P. Dekelver, 0.3-m Newtonian + CCD; 13.7' tail in p.a. 353 deg);
    25.72, 12.2, 0.8' (O. Miyazaki, 0.32-m Newtonian);
    25.67, 13.5, 1.1' (C. Wyatt, 0.4-m Newtonian);
    25.05, 12.5, 2.7' (M. Paradowski, Dabrowa, Poland, 0.254-m Schmidt-Newtonian + CCD);
    24.72, 12.7, 0.8' (O. Miyazaki, 0.32-m Newtonian);
    23.98, 11.9, 4.6' (P. Dekelver, 0.3-m Newtonian + CCD; 13.5' tail in p.a. 351 deg);
    23.95, 11.9, 6.3' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.29° tail in p.a. 346 deg);


C/2022 JK5 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
sep 18.69, 14.0, 1.2' (C. Wyatt, 0.4-m Newtonian);
    16.47, 14.7, 1' (C. Wyatt, 0.4-m Newtonian);
    16.08, 13.9, 1.69' (K. Hills, 0.5-m Newtonian + CCD);
    11.08, 14.1, 1.32' (K. Hills, 0.5-m Newtonian + CCD);
    09.93, 14.8, 0.34' (S. Shurpakov, 0.41-m Newtonian + CCD);
    09.45, 13.7, 1.1' (C. Wyatt, 0.4-m Newtonian);
    06.09, 13.9, 1.5' (K. Hills, 0.5-m Newtonian + CCD);
aug 25.68, 13.4, 0.9' (C. Wyatt, 0.4-m Newtonian);


C/2022 L2 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
sep 08.81, 15.6, 0.8' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 1.7' tail in p.a. 60 deg);
    06.84, 15.5, 1.1' (P. Dekelver, 0.3-m Newtonian + CCD);
    05.84, 15.1, 1.1' (P. Dekelver, 0.3-m Newtonian + CCD; 1.7' tail in p.a. 64 deg);
aug 26.84, 15.5, 1' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 1.7' tail in p.a. 67 deg);


C/2022 N2 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
sep 10.94, 17.8, 0.38' (K. Hills, 0.5-m Newtonian + CCD);
    10.92, 16.9, 0.4' (P. Dekelver, 0.3-m Newtonian + CCD);
    03.98, 18.0, 0.38' (K. Hills, 0.5-m Newtonian + CCD);


C/2022 QE78 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
sep 16.09, 17.9, 0.19' (S. Shurpakov, 0.41-m Newtonian + CCD);


C/2022 S4 (Lemmon)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
sep 13.14, 17.4, 0.4' (P. Carson, PGC Observatory Z10, Fregenal de la sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    11.25, 17.7, 0.38' (K. Hills, 0.5-m Newtonian + CCD);
    11.14, 17.2, 0.5' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD);
    10.15, 17.2, 0.4' (P. Dekelver, 0.3-m Newtonian + CCD; 0.5' tail in p.a. 339 deg);


C/2022 U1 (Leonard)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
sep 15.96, 18.4, 0.19' (S. Shurpakov, 0.41-m Newtonian + CCD);
    11.15, 19.5, 0.38' (K. Hills, 0.5-m Newtonian + CCD);


C/2022 U4 (Bok)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
sep 09.84, 17.7, 0.4' (P. Dekelver, 0.3-m Newtonian + CCD);
    09.80, 18.2, 0.34' (S. Shurpakov, 0.41-m Newtonian + CCD);
    08.84, 18.0, 0.4' (P. Dekelver, 0.3-m Newtonian + CCD);
    07.85, 17.7, 0.6' (P. Dekelver, 0.3-m Newtonian + CCD);
aug 23.94, 18.7, 0.38' (K. Hills, 0.5-m Newtonian + CCD);


C/2022 W3 (Leonard)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
sep 05.88, 16.7, 0.8' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD);
    04.83, 16.3, 0.4' (P. Dekelver, 0.3-m Newtonian + CCD);
    03.87, 16.0, 0.5' (G. Pappa, Namibia (remote control), 0.2-m Newtonian + CCD);
    02.87, 17.2, 0.19' (S. Shurpakov, 0.41-m Newtonian + CCD);
aug 23.84, 14.4, 2.2' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD);


C/2023 A3 (Tsuchinshan-ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
sep 10.76, 16.2, 0.5' (T. Lehmann, Hakos (remote), 0.2-m Newtonian + CCD);
    06.82, 15.3, 0.7' (P. Dekelver, 0.3-m Newtonian + CCD);
    05.82, 15.7, 0.7' (P. Dekelver, 0.3-m Newtonian + CCD);
    03.77, 16.2, 0.6' (T. Lehmann, Hakos (remote), 0.2-m Newtonian + CCD);


C/2023 E1 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
sep 18.68, 11.3, 6.8' (C. Wyatt, 0.4-m Newtonian);
    18.59, 12.3, 1.4' (O. Miyazaki, 0.32-m Newtonian);
    16.95, 11.1, 3' (M. Goiato, 0.22-m Newtonian);
    16.83, 12.0, 3' (C. Harder, Tewswoos, IHT, 0.531-m Newtonian);
    16.47, 10.5, 6' (C. Wyatt, 0.4-m Newtonian);
    15.98, 14.9, 0.58' (S. Shurpakov, 0.41-m Newtonian + CCD);
    15.87, 11.9, 4' (C. Harder, Tewswoos, IHT, 0.531-m Newtonian);
    15.85, 12.5, 3.7' (P. Dekelver, 0.3-m Newtonian + CCD; 3.9' tail in p.a. 292 deg);
    15.60, 10.5, 7' (M. Mattiazzo, Swan Hill, Victoria, 25x100 Binoculars);
    14.94, 11.6, 6.4' (M. Lošťák, 0.2-m Newtonian + CCD);
    14.88, 9.6, 5' (U. Pilz, 0.32-m Newtonian);
    13.97, 12.1, 5.5' (P. Dekelver, 0.3-m Newtonian + CCD; 11.6' tail in p.a. 288 deg);
    13.85, 9.6, 10' (J. Gonzalez Suarez, 0.203-m Schmidt-Cassegrain);
    13.85, 9.6, 22' (T. Lehmann, Hakos (remote), 0.2-m Newtonian + CCD);
    13.00, 10.1, 9.96' (K. Hills, 0.5-m Newtonian + CCD);
    12.91, 11.1, 6.6' (P. Carson, PGC Observatory Z10, Fregenal de la sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    12.53, 11.4, 1' (O. Miyazaki, 0.32-m Newtonian);
    10.88, 9.4, 19' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD);
    09.97, 10.6, 7.3' (P. Dekelver, 0.3-m Newtonian + CCD);
    09.96, 13.5, 1.45' (S. Shurpakov, 0.41-m Newtonian + CCD);
    09.94, 11.0, 9.2' (M. Lošťák, 0.2-m Newtonian + CCD);
    09.90, 9.3, 22' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD);
    09.84, 10.3, 4.5' (C. Harder, Jeersdorf f, 0.531-m Newtonian);
    09.45, 10.2, 8.6' (C. Wyatt, 0.4-m Newtonian);
    09.01, 9.6, 12.41' (K. Hills, 0.5-m Newtonian + CCD);
    08.97, 10.6, 7.3' (P. Dekelver, 0.3-m Newtonian + CCD);
    08.95, 9.0, 6' (M. Reszelski, Jastrowo near Szamotuly, Poland, 25x100 Binoculars);
    08.89, 9.6, 18' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.09° tail in p.a. 286 deg);
    08.89, [10.2, 3' (M. Biely, Czech Republic, Brno, 20x80 Binoculars);
    08.84, 10.8, 6.5' (C. Harder, Jeersdorf f, 0.531-m Newtonian);
    07.98, 11.9, 3.7' (P. Dekelver, 0.3-m Newtonian + CCD);
    07.94, 9.0, 6' (M. Reszelski, Jastrowo near Szamotuly, Poland, 15x70 Binoculars);
    07.80, 14.3, 0.82' (S. Shurpakov, 0.41-m Newtonian + CCD);
    06.94, 9.1, 6' (M. Reszelski, Jastrowo near Szamotuly, Poland, 15x70 Binoculars);
    06.92, 11.3, 3.8' (W. Kutschera, 0.25-m Newtonian);
    06.91, 11.6, 5.5' (P. Dekelver, 0.3-m Newtonian + CCD);
    06.84, 10.6, 5' (C. Harder, Jeersdorf f, 0.353-m Newtonian);
    05.95, 9.0, 6' (M. Reszelski, Jastrowo near Szamotuly, Poland, 15x70 Binoculars);
    05.91, 11.6, 5.5' (P. Dekelver, 0.3-m Newtonian + CCD);
    05.83, 9.8, 5' (C. Harder, Jeersdorf f, 0.353-m Newtonian);
    05.48, 12.4, 1.4' (O. Miyazaki, 0.32-m Newtonian);
    05.01, 9.6, 10.53' (K. Hills, 0.5-m Newtonian + CCD);
    04.93, 9.2, 21' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.05° tail in p.a. 287 deg);
    04.88, 11.4, 7.3' (P. Dekelver, 0.3-m Newtonian + CCD);
    03.91, 10.4, 7.3' (P. Dekelver, 0.3-m Newtonian + CCD);
    03.87, 9.5, 5' (G. Pappa, Namibia (remote control), 0.2-m Newtonian + CCD);
    03.80, 8.8, 21' (T. Lehmann, Hakos (remote), 0.2-m Newtonian + CCD);
aug 30.87, 14.0, 0.6' (D. Heggie, Edinburgh, 0.13-m Newtonian + CCD);
    28.01, 9.4, 9.5' (C. Harder, Jeersdorf f, 0.298-m Newtonian);
    28.00, 8.9, 5' (P. Pérez Corujo, La Lechuza. Vega de San Mateo. Gran Canaria, 20x80 Binoculars);
    27.08, 8.8, 8' (J. Gonzalez Suarez, 15x70 Binoculars);
    27.03, 9.2, 13.3' (P. Carson, PGC Observatory Z10, Fregenal de la sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    26.99, 9.7, 6.2' (E. van Dijk, 0.155-m Newtonian);
    26.94, 9.5, 8.5' (C. Harder, Jeersdorf f, 0.196-m Newtonian);
    26.92, 8.7, 22' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD);
    26.89, 9.9, 6' (H. Kiiskinen, 0.4-m Ritchey-Chretien + CCD);
    26.82, 9.7, 7' (V. Bespalov, Vologda region, Ustyuzhensky district, 15x70 Binoculars);
    26.12, 9.5, 5' (G. Pappa, Sardegna,Italy, 0.3-m Camera lens + CCD);
    25.93, 9.2, 7' (C. Harder, Jeersdorf h, 0.196-m Newtonian);
    25.70, 11.5, 1.6' (O. Miyazaki, 0.32-m Newtonian);
    25.67, 9.7, 5.6' (C. Wyatt, 0.4-m Newtonian);
    24.70, 11.2, 2.3' (O. Miyazaki, 0.32-m Newtonian);
    24.08, 8.6, 15.42' (K. Hills, 0.5-m Newtonian + CCD);
    24.00, 9.2, 4.5' (M. Biely, Czech Republic, Brno, 20x80 Binoculars);
    23.94, 8.4, 26' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD);
    23.93, 11.2, 5.5' (P. Dekelver, 0.3-m Newtonian + CCD);
    23.92, 8.3, 32' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD);
    23.88, 9.9, 9.9' (D. Heggie, ASERO, Trevinca, Spain, 0.094-m Refractor + CCD);
    23.85, 10.0, 11' (U. Pilz, 0.32-m Newtonian);


C/2023 H2 (Lemmon)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
sep 18.83, 9.3, 7' (J. Gonzalez Suarez, 0.203-m Schmidt-Cassegrain);
    16.81, 12.5, 1.5' (C. Harder, Tewswoos, IHT, 0.531-m Newtonian);
    15.83, 12.5, 1.8' (C. Harder, Tewswoos, IHT, 0.531-m Newtonian);
    09.81, 15.1, 0.7' (P. Dekelver, 0.3-m Newtonian + CCD);
    08.81, 15.4, 0.7' (P. Dekelver, 0.3-m Newtonian + CCD);
    07.83, 15.7, 0.7' (P. Dekelver, 0.3-m Newtonian + CCD);
    05.14, 12.9, 3.5' (M. Mattiazzo, Great Basin Desert Utah, 0.15-m Refractor + CCD);
    04.82, 13.2, 4.6' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD);
aug 23.84, 14.2, 2.9' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD);


C/2023 P1 (Nishimura)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
sep 21.36, 4.0, -- (C. Wyatt, 0.25-m Newtonian);
    18.80, 2.5, 0.2' (J. Gonzalez Suarez, 0.203-m Schmidt-Cassegrain);
    16.75, [2.4, 3' (J. Cerny, 25x100 Binoculars);
    16.73, 2.5, 1' (P. Guzik, 25x100 Binoculars);
    15.75, 2.7, 3' (J. Cerny, 25x100 Binoculars);
    15.73, 3.0, 1' (P. Guzik, 25x100 Binoculars);
    14.76, 3.2, 6' (P. Lívanec, Nosetín, 10x50 Binoculars; 10' tail);
    13.80, 3.0, 1' (B. Granslo, Røverkollen, Oslo, 0.08-m Refractor);
    11.16, 4.1, 3' (C. Labordena, Tossal Gros, 11x80 Binoculars; 20' tail);
    11.15, 4.5, -- (G. Pappa, Trecastagni,Sicily, 0.3-m Camera lens + CCD);
    11.14, 3.3, 3' (J. Cerny, 25x100 Binoculars);
    11.14, 4.0, 3' (V. Gonano, Udine, Italy, 10x50 Binoculars);
    11.14, 4.0, 2' (S. Szabo, Sopron, 15x80 Binoculars);
    11.13, 3.3, 10' (M. Paradowski, Dabrowa, Poland, 0.034-m Camera lens + CCD);
    11.12, 3.6, 3' (M. Reszelski, Jastrowo near Szamotuly, Poland, 15x70 Binoculars);
    11.12, 3.3, 10' (M. Paradowski, Dabrowa, Poland, 0.034-m Camera lens + CCD; 0.56° tail in p.a. 330 deg);
    11.12, 4.0, 3' (P. Guzik, 25x100 Binoculars; 0.2° tail in p.a. 330 deg);
    10.47, 4.0, -- (B. Young, Bridge at Home, 8x40 Binoculars);
    10.16, 4.5, -- (G. Pappa, Trecastagni,Sicily, 0.3-m Camera lens + CCD);
    10.16, 4.4, -- (M. Deconinck, Clamensane France, 7x50 Binoculars; 3.5° tail in p.a. 250 deg);
    10.15, 4.2, -- (A. Kammerer, Karlsruhe, Germany, 9x63.0 Binoculars);
    10.14, 4.5, 4' (O. Guthier, 16x70 Binoculars; 2° tail);
    10.14, 3.8, 2' (J. Kac, Medvedje Brdo, 7x50 Binoculars);
    10.13, 4.6, 3' (M. Filipek, 25x100 Binoculars);
    10.13, 4.3, 17' (S. Fritsche, Koeditz, 0.038-m Refractor + CCD; 4.3° tail in p.a. 322 deg);
    10.12, 4.0, 2' (G. Sánta, Göd, 10x56.0 Binoculars; 1° tail in p.a. 325 deg);
    10.12, &4.1, 2' (M. Kwinta, 15x70 Binoculars);
    10.12, 3.9, 3' (M. Reszelski, Szamotuly, Poland, 15x70 Binoculars; 0.5° tail in p.a. 330 deg);
    10.11, 3.9, 10' (M. Paradowski, Dabrowa, Poland, 0.034-m Camera lens + CCD; 0.5° tail in p.a. 325 deg);
    10.11, 4.2, 3' (P. Guzik, 25x100 Binoculars; 0.8° tail in p.a. 325 deg);
    10.03, 4.3, 3.1' (A. Novichonok, 0.013-m Refractor + CCD; 7° tail in p.a. 319 deg);
    09.50, 4.3, 3' (C. Hergenrother, 10x50 Binoculars);
    09.19, 4.2, 3' (V. Gonano, Udine, Italy, 10x50 Binoculars; 0.5° tail in p.a. 316 deg);
    09.19, 4.0, -- (J. Chambó Bris, Altos de Salomón, Valencia, Spain, 20x60 Binoculars; 40' tail in p.a. 317 deg);
    09.16, 6.2, 12.8' (P. Dekelver, 0.3-m Newtonian + CCD; 23.8' tail in p.a. 316 deg);
    09.15, 4.5, 2' (A. Scholten, Eerbeek, 8x56.0 Binoculars; 0.5° tail in p.a. 300 deg);
    09.14, 4.2, -- (A. Kammerer, Karlsruhe, Germany, 9x63.0 Binoculars; 0.7° tail in p.a. 320 deg);
    09.13, 4.4, 4.5' (O. Guthier, 16x70 Binoculars; 2.5° tail in p.a. 330 deg);
    09.12, [4.7, 2' (M. Biely, Czech Republic, Brno, 20x80 Binoculars);
    09.12, 4.1, 2.1' (M. Mašek, 20x80 Binoculars);
    09.12, &4.4, 2' (M. Kwinta, 15x70 Binoculars; 20' tail in p.a. 320 deg);
    09.11, 4.1, 5' (M. Reszelski, Szamotuly, Poland, 15x70 Binoculars; 0.5° tail in p.a. 315 deg);
    09.10, 4.3, 10' (M. Paradowski, Dabrowa, Poland, 0.034-m Camera lens + CCD; 4.5° tail in p.a. 315 deg);
    08.82, 4.8, 5.6' (K. Yoshimoto, 0.077-m Refractor + CCD; 3.5° tail in p.a. 307 deg);
    08.28, 4.7, 4' (P. Pérez Corujo, La Lechuza. Vega de San Mateo. Gran Canaria, 20x80 Binoculars; 0.8° tail);
    08.28, 4.6, 4' (P. Pérez Corujo, La Lechuza. Vega de San Mateo. Gran Canaria, 15x70 Binoculars; 0.8° tail);
    08.23, , 2.1' (A. Kammerer, Karlsruhe, Germany, 0.125-m Schmidt-Cassegrain; 0.5° tail in p.a. 315 deg);
    08.16, 5.1, 3' (W. Vollmann, 10x50 Binoculars);
    08.16, 4.5, -- (M. Deconinck, Clamensane France, 7x50 Binoculars; 1° tail in p.a. 270 deg);
    08.15, 4.8, 4' (G. van Buitenen, Dordrecht, 11x70 Binoculars; 0.8° tail in p.a. 310 deg);
    08.14, 4.6, -- (A. Kammerer, Karlsruhe, Germany, 9x63.0 Binoculars; 1° tail in p.a. 310 deg);
    08.13, 5.1, 3' (P. Lívanec, Nosetín, 10x50 Binoculars; 1° tail);
    08.13, 4.5, 2' (A. Scholten, Eerbeek, 8x56.0 Binoculars; 0.7° tail in p.a. 300 deg);
    08.13, 4.6, 28' (S. Fritsche, Koeditz, 0.038-m Refractor + CCD; 7.4° tail in p.a. 309 deg);
    08.13, 5.0, 8.8' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 3° tail in p.a. 310 deg);
    08.12, 4.8, 5' (O. Guthier, 16x70 Binoculars; 3.2° tail in p.a. 320 deg);
    08.12, 5.3, 2' (M. Biely, Czech Republic, Brno, 20x80 Binoculars; 0.3° tail in p.a. 310 deg);
    08.11, &4.8, 2' (M. Kwinta, 15x70 Binoculars; 20' tail in p.a. 315 deg);
    08.10, 5.0, 3' (M. Paradowski, Dabrowa, Poland, 7x35.0 Binoculars; 0.5° tail in p.a. 312 deg);
    08.10, 4.7, -- (P. Guzik, Naked eye);
    08.10, 4.8, 3' (P. Guzik, 10x50 Binoculars; 1.5° tail in p.a. 315 deg);
    08.10, 5.0, 10' (M. Paradowski, Dabrowa, Poland, 0.034-m Camera lens + CCD; 2° tail in p.a. 311 deg);
    08.09, 4.6, 10' (M. Paradowski, Dabrowa, Poland, 0.034-m Camera lens + CCD; 3.4° tail in p.a. 311 deg);
    08.09, 4.5, 6' (M. Reszelski, Szamotuly, Poland, 15x70 Binoculars; 0.8° tail in p.a. 310 deg);
    07.49, 5.1, 4' (C. Hergenrother, 10x50 Binoculars; 0.5° tail in p.a. 310 deg);
    07.22, , 2.2' (A. Kammerer, Karlsruhe, Germany, 0.125-m Schmidt-Cassegrain; 0.5° tail in p.a. 305 deg);
    07.22, 5.3, -- (A. Kammerer, Karlsruhe, Germany, 9x63.0 Binoculars);
    07.17, 5.2, 4' (C. Labordena, Culla, 11x80 Binoculars; 40' tail);
    07.16, 5.4, 3' (W. Vollmann, 16x70 Binoculars; 1° tail);
    07.16, 4.5, 6' (M. Deconinck, Upaix France, 0.1-m Refractor; 2° tail in p.a. 270 deg);
    07.15, 5.2, 3' (P. De Schrijver, Beert, 15x80 Binoculars);
    07.15, 5.0, -- (M. Deconinck, Upaix France, 7x50 Binoculars; 3° tail in p.a. 260 deg);
    07.14, 5.5, 2' (A. Scholten, Eerbeek, 8x56.0 Binoculars; 0.5° tail in p.a. 310 deg);
    07.13, 5.0, 3' (V. Gonano, Udine, Italy, 10x50 Binoculars; 1.3° tail in p.a. 306 deg);
    07.13, 5.3, 11' (S. Fritsche, Koeditz, 0.038-m Refractor + CCD; 2.9° tail in p.a. 305 deg);
    07.13, 5.1, 1' (V. Kasten, 15x50 Binoculars);
    07.12, 5.0, 4' (O. Guthier, 16x70 Binoculars; 2.03° tail in p.a. 307 deg);
    07.12, 7.8, 12.8' (P. Dekelver, 0.3-m Newtonian + CCD; 0.5° tail in p.a. 308 deg);
    07.12, 5.9, 2' (M. Biely, Czech Republic, Brno, 20x80 Binoculars);
    07.10, 5.2, 3' (G. Sánta, Göd, 15x70 Binoculars; 1.6° tail in p.a. 308 deg);
    07.10, &5.0, 2' (M. Kwinta, 15x70 Binoculars; 30' tail in p.a. 310 deg);
    07.10, 5.2, 3' (P. Guzik, 10x50 Binoculars; 1.2° tail in p.a. 310 deg);
    07.10, 5.0, -- (P. Guzik, Naked eye);
    07.10, 5.3, 3' (M. Paradowski, Dabrowa, Poland, 7x35.0 Binoculars; 1.5° tail in p.a. 306 deg);
    07.09, 5.2, 10' (M. Paradowski, Dabrowa, Poland, 0.034-m Camera lens + CCD; 3.05° tail in p.a. 305 deg);
    07.09, 4.8, 5' (M. Reszelski, Szamotuly, Poland, 15x70 Binoculars; 1.2° tail in p.a. 305 deg);
    07.09, 5.3, 10' (M. Paradowski, Dabrowa, Poland, 0.034-m Camera lens + CCD; 2.8° tail in p.a. 305 deg);
    07.06, 6.1, 6' (J. Powichrowski, Knyszyn, 20x50 Binoculars);
    07.01, 5.2, 3' (A. Novichonok, Chalna fields, 12x60 Binoculars);
    06.82, 5.0, -- (K. Yoshimoto, 8x42.0 Binoculars);
    06.80, 5.6, 4' (O. Miyazaki, 7x50 Binoculars; 1.2° tail in p.a. 305 deg);
    06.79, 5.6, 3.3' (O. Miyazaki, 11x80 Binoculars; 70' tail in p.a. 305 deg);
    06.49, 5.3, 5' (C. Hergenrother, 10x50 Binoculars; 0.5° tail in p.a. 310 deg);
    06.15, 5.2, 4' (G. van Buitenen, Dordrecht, 11x70 Binoculars; 0.8° tail in p.a. 305 deg);
    06.14, , 2' (A. Kammerer, Karlsruhe, Germany, 0.125-m Schmidt-Cassegrain; 0.2° tail in p.a. 305 deg);
    06.14, 5.6, -- (A. Kammerer, Karlsruhe, Germany, 9x63.0 Binoculars);
    06.13, 5.0, 4' (M. Deconinck, Artignosc-sur-Verdon, Provence, France, 40x126.0 Binoculars; 20' tail in p.a. 270 deg);
    06.13, 8.4, 12.8' (P. Dekelver, 0.3-m Newtonian + CCD; 25.9' tail in p.a. 301 deg);
    06.13, 5.6, 12' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 3° tail in p.a. 302 deg);
    06.12, 5.3, 2' (V. Kasten, 15x50 Binoculars);
    06.12, 5.2, 3' (O. Guthier, 16x70 Binoculars; 1.05° tail in p.a. 316 deg);
    06.11, 4.9, 2.5' (C. Harder, Jeersdorf f, 16x70 Binoculars; 15' tail in p.a. 300 deg);
    06.11, 5.3, 3' (J. Cerny, 25x100 Binoculars; 1.4° tail in p.a. 297 deg);
    06.10, 5.5, 3' (G. Sánta, Göd, 10x56.0 Binoculars; 1.1° tail in p.a. 303 deg);
    06.10, 5.2, 3' (J. Cerny, 8x40 Binoculars);
    06.10, 5.3, 3' (P. Guzik, 10x50 Binoculars; 1.5° tail in p.a. 310 deg);
    06.10, &5.5, 2' (M. Kwinta, 15x70 Binoculars; 30' tail in p.a. 310 deg);
    06.09, 5.1, 6' (M. Reszelski, Szamotuly, Poland, 25x100 Binoculars; 1° tail in p.a. 300 deg);
    06.09, 5.5, 10' (M. Paradowski, Dabrowa, Poland, 0.034-m Camera lens + CCD; 2.08° tail in p.a. 305 deg);
    05.82, 5.4, -- (K. Yoshimoto, 8x42.0 Binoculars);
    05.82, 5.5, 5' (K. Yoshimoto, 0.077-m Refractor + CCD; 3° tail in p.a. 300 deg);
    05.53, 5.6, -- (A. Guerra, Vacaville, California, 0.07-m Refractor + CCD);
    05.48, 5.6, 3' (C. Hergenrother, 10x50 Binoculars);
    05.28, 5.2, 4' (P. Pérez Corujo, La Lechuza. Vega de San Mateo. Gran Canaria, 20x80 Binoculars; 0.5° tail);
    05.17, 5.5, 3' (J. Gonzalez Suarez, Alto de Sedano, 1050 m, Burgos, Spain, 10x50 Binoculars; 0.8° tail in p.a. 300 deg);
    05.16, 6.0, 3' (W. Vollmann, 16x70 Binoculars; 0.5° tail);
    05.16, 5.7, 3' (J. Gonzalez Suarez, 20x80 Binoculars; 0.8° tail in p.a. 300 deg);
    05.14, 5.6, 4' (G. van Buitenen, Dordrecht, 11x70 Binoculars; 0.5° tail in p.a. 305 deg);
    05.14, 5.4, -- (M. Deconinck, Artignosc-sur-Verdon, Provence, France, 7x50 Binoculars);
    05.13, 5.4, 4' (V. Gonano, Udine, Italy, 10x50 Binoculars; 25' tail in p.a. 305 deg);
    05.13, , 1.8' (A. Kammerer, Karlsruhe, Germany, 0.125-m Schmidt-Cassegrain; 0.2° tail in p.a. 305 deg);
    05.13, 5.5, -- (A. Kammerer, Karlsruhe, Germany, 9x63.0 Binoculars);
    05.12, 5.5, 5' (M. Deconinck, Artignosc-sur-Verdon, Provence, France, 39x126.0 Binoculars; 25' tail in p.a. 250 deg);
    05.12, 8.5, 12.8' (P. Dekelver, 0.3-m Newtonian + CCD; 23' tail in p.a. 306 deg);
    05.12, 5.9, 8.2' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 2.1° tail in p.a. 304 deg);
    05.11, 5.8, 2' (B. Granslo, Oslo, 10x42.0 Binoculars);
    05.11, 5.6, 3' (S. Szabo, Sopron, 15x80 Binoculars);
    05.11, 5.4, 3' (O. Guthier, 16x70 Binoculars);
    05.10, 5.5, 2.5' (G. Sánta, Göd, 15x70 Binoculars; 1° tail in p.a. 300 deg);
    05.10, 5.6, 3' (J. Cerny, 25x100 Binoculars; 0.6° tail in p.a. 295 deg);
    05.10, &5.8, 2' (M. Kwinta, 15x70 Binoculars);
    05.09, 5.6, 3' (P. Guzik, 10x50 Binoculars; 0.8° tail in p.a. 300 deg);
    05.09, 5.6, 5' (M. Reszelski, Szamotuly, Poland, 15x70 Binoculars);
    05.08, 5.9, 6.7' (M. Paradowski, Dabrowa, Poland, 0.034-m Camera lens + CCD; 1.8° tail in p.a. 305 deg);
    04.24, 6.3, 5.5' (M. Mašek, 0.067-m Camera lens + CCD; 2.7° tail in p.a. 279 deg);
    04.24, 7.7, 4.1' (M. Mašek, 0.067-m Camera lens + CCD; 2.8° tail in p.a. 285 deg);
    04.15, 6.3, -- (A. Kammerer, Karlsruhe, Germany, 9x63.0 Binoculars);
    04.12, 7.0, 11' (P. Dekelver, 0.3-m Newtonian + CCD; 25.7' tail in p.a. 298 deg);
    04.08, 6.1, 3' (P. Guzik, 10x50 Binoculars; 1° tail in p.a. 300 deg);
    04.01, 6.0, 3' (A. Novichonok, Chalna fields, 10x50 Binoculars);
    03.82, 5.8, 4' (K. Yoshimoto, 20x100 Binoculars; 40' tail in p.a. 300 deg);
    03.48, 6.0, 4' (C. Hergenrother, 10x50 Binoculars);
    03.16, 6.3, 4' (V. Gonano, Udine, Italy, 10x50 Binoculars);
    02.79, 6.5, 2.4' (O. Miyazaki, 11x80 Binoculars);
    02.09, 6.3, 4' (O. Guthier, 0.105-m Refractor);
    01.80, 7.4, 2.6' (O. Miyazaki, 11x80 Binoculars);
    01.16, 7.0, 3' (V. Gonano, Udine, Italy, 10x50 Binoculars);
aug 31.17, 6.4, 3' (J. Gonzalez Suarez, Villacintor, 930 m, Leon, Spain, 20x80 Binoculars; 0.4° tail in p.a. 290 deg);
    31.16, 6.6, 4' (J. Gonzalez Suarez, 0.203-m Schmidt-Cassegrain; 0.7° tail in p.a. 290 deg);
    31.14, 7.0, 12.8' (P. Dekelver, 0.3-m Newtonian + CCD; 22.6' tail in p.a. 289 deg);
    31.11, 6.9, 4' (E. van Dijk, 15x80 Binoculars);
    30.18, 7.2, 5.1' (P. Carson, PGC Observatory Z10, Fregenal de la sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    30.12, 7.0, 5' (M. Deconinck, Artignosc-sur-Verdon, Provence, France, 0.126-m Refractor; 10' tail in p.a. 270 deg);
    30.10, 7.1, 5' (M. Deconinck, Artignosc-sur-Verdon, Provence, France, 25x126.0 Binoculars);
    30.05, 7.2, -- (N. Novikov, Russia, d. Enaberdino, 0.153-m Newtonian);
    29.99, 7.1, 3' (A. Novichonok, Chalna fields, 0.114-m Newtonian);
    29.79, 7.4, 2.9' (O. Miyazaki, 11x80 Binoculars);
    29.77, 7.2, 5' (S. Yoshida, 0.4-m Newtonian);
    29.09, 7.2, 4' (C. Harder, Jeersdorf f, 0.252-m Newtonian);
    28.81, 7.5, 5.8' (K. Yoshimoto, 0.072-m Camera lens + CCD; 2.5° tail in p.a. 287 deg);
    28.48, 7.4, 5' (C. Hergenrother, 10x50 Binoculars);
    28.36, 7.8, 1' (A. Amorim, 0.09-m Refractor);
    28.26, 7.2, 5' (P. Pérez Corujo, La Lechuza. Vega de San Mateo. Gran Canaria, 20x80 Binoculars);
    28.22, 8.9, 5.5' (M. Mašek, 0.067-m Camera lens + CCD; 0.6° tail in p.a. 284 deg);
    28.22, 7.6, 6.9' (M. Mašek, 0.067-m Camera lens + CCD; 0.8° tail in p.a. 282 deg);
    28.18, 7.1, 5.5' (P. Carson, PGC Observatory Z10, Fregenal de la sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    28.15, 7.2, 5' (C. Labordena, La Serra d Engarcera, 11x80 Binoculars);
    28.12, 8.9, 7.3' (P. Dekelver, 0.3-m Newtonian + CCD; 27.8' tail in p.a. 284 deg);
    28.09, 7.6, 4' (C. Harder, Jeersdorf f, 0.298-m Newtonian; 3' tail in p.a. 295 deg);
    28.09, 7.6, 4' (C. Harder, Jeersdorf f, 0.298-m Newtonian; 3' tail in p.a. 295 deg);
    28.08, 7.4, 3' (P. Guzik, 25x100 Binoculars);
    27.51, 7.7, -- (A. Guerra, Vacaville, California, 0.07-m Refractor + CCD);
    27.42, 7.5, 1.8' (D. Zubenel, Hoyt, Kansas, USA, 0.152-m Newtonian);
    27.18, 7.9, 6.2' (P. Carson, PGC Observatory Z10, Fregenal de la sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    27.17, 7.3, 5' (J. Gonzalez Suarez, 0.203-m Schmidt-Cassegrain; 0.4° tail in p.a. 280 deg);
    27.10, 7.2, 6' (E. van Dijk, 15x80 Binoculars);
    27.09, 7.3, 4' (E. van Dijk, 0.155-m Newtonian);
    26.99, 7.4, 3' (V. Bespalov, Vologda region, Ustyuzhensky district, 15x70 Binoculars);
    26.99, 7.8, 3.1' (A. Novichonok, 0.038-m Refractor + CCD; 26' tail in p.a. 282 deg);
    26.81, 7.5, 5.6' (K. Yoshimoto, 0.077-m Refractor + CCD; 1.5° tail in p.a. 280 deg);
    26.81, 8.3, 5.6' (K. Yoshimoto, 0.077-m Refractor + CCD; 1.2° tail in p.a. 280 deg);
    26.81, 8.3, 2.5' (K. Yoshimoto, 0.077-m Refractor + CCD; 1.2° tail in p.a. 280 deg);
    26.13, 7.2, 3.2' (M. Collins, Everton, 0.254-m Schmidt-Cassegrain);
    26.13, 7.6, 4' (V. Gonano, Udine, Italy, 10x50 Binoculars);
    26.12, 7.8, 8' (M. Deconinck, Artignosc-sur-Verdon, Provence, France, 0.126-m Refractor; 1' tail in p.a. 270 deg);
    26.12, 7.8, -- (G. Pappa, Sardegna,Italy, 0.3-m Camera lens + CCD);
    26.12, 7.6, 3' (G. van Buitenen, Dordrecht, NL (G06), 11x70 Binoculars);
    26.11, 7.8, 6' (M. Deconinck, Artignosc-sur-Verdon, Provence, France, 25x126.0 Binoculars);
    26.09, 7.8, 5.5' (M. Jaeger, Martinsberg Austria, 0.07-m Camera lens + CCD; 75° tail in p.a. 278 deg);
    25.79, 8.6, 2.6' (C. Wyatt, 0.4-m Newtonian);
    25.78, 8.7, 2.4' (O. Miyazaki, 0.32-m Newtonian);
    25.49, 7.8, 3' (C. Hergenrother, 30x125.0 Binoculars);
    25.49, 7.5, 5' (C. Hergenrother, 10x50 Binoculars);
    25.15, 7.9, 5' (C. Labordena, Castellfort, 0.2-m Schmidt-Cassegrain; 15' tail);
    25.14, 7.8, 5' (C. Labordena, Castellfort, 11x80 Binoculars);
    25.10, &8.1, 2' (M. Kwinta, 0.3-m Newtonian);
    25.08, 7.8, 4' (P. Guzik, 25x100 Binoculars);
    24.78, 8.4, 2.5' (O. Miyazaki, 0.32-m Newtonian);
    24.36, 8.0, 5' (W. Souza, 0.15-m Newtonian);
    24.35, 8.0, 4' (J. de Souza Aguiar, 25x100 Binoculars);
    24.17, 8.4, 6.2' (J. Chambó Bris, Valles, Valencia, Spain, 0.2-m Newtonian + CCD; 50' tail in p.a. 279 deg);
    24.11, 8.0, 3' (M. Deconinck, Artignosc-sur-Verdon, Provence, France, 0.126-m Refractor; 1.5' tail in p.a. 270 deg);
    24.11, 8.4, 6.8' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 1.96° tail in p.a. 279 deg);
    24.10, 8.0, 2.5' (M. Deconinck, Artignosc-sur-Verdon, Provence, France, 25x126.0 Binoculars);
    24.09, 8.2, 4.9' (J. Cerny, 25x100 Binoculars);


C/2023 R1 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
sep 14.14, 19.8, 1' (J. Maikner, Comet Hunter Observatory 2, 0.305-m Hyperboloid astro-camera + CCD; 5" tail in p.a. 215 deg);


P/2010 YK3
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
sep 10.94, 15.7, 1.3' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD);


P/2023 M4 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2023
sep 15.83, 16.6, 0.4' (P. Dekelver, 0.3-m Newtonian + CCD);
    13.95, 16.3, 0.4' (P. Dekelver, 0.3-m Newtonian + CCD);
    12.96, 17.2, 0.38' (K. Hills, 0.5-m Newtonian + CCD);
    10.97, 16.4, 0.4' (P. Dekelver, 0.3-m Newtonian + CCD);
    09.95, 16.4, 0.6' (P. Dekelver, 0.3-m Newtonian + CCD);
    09.91, 16.7, 0.29' (S. Shurpakov, 0.41-m Newtonian + CCD);
    08.95, 16.6, 0.6' (P. Dekelver, 0.3-m Newtonian + CCD);
    07.96, 16.6, 0.4' (P. Dekelver, 0.3-m Newtonian + CCD);
    05.97, 17.0, 0.38' (K. Hills, 0.5-m Newtonian + CCD);
aug 27.01, 16.4, 0.4' (P. Carson, PGC Observatory Z10, Fregenal de la sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    24.06, 16.9, 0.38' (K. Hills, 0.5-m Newtonian + CCD);