COBS - Comet OBServation database

Recent Comet Brightness Estimates

9P/Tempel 1
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
jul 24.08, 15.8, 0.4' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD); 25.51, 15.0, 0.5' (C. Wyatt, 0.4-m Newtonian); 28.09, 15.5, 0.6' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD); 28.17, 15.6, 0.56' (K. Hills, 0.5-m Newtonian + CCD); 31.16, 15.3, 0.75' (K. Hills, 0.5-m Newtonian + CCD); aug 01.06, 15.4, 0.4' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD); 06.07, 16.0, 0.4' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD);

12P/Pons-Brooks
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
jul 31.09, 21.0, -- (J. Maikner, Comet Hunter Observatory 2, 0.305-m Hyperboloid astro-camera + CCD);

22P/Kopff
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
jul 24.12, 14.0, 1.1' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD); 27.43, 13.5, 0.3' (D. Heggie, mayhill, 0.15-m Refractor + CCD; 10' tail in p.a. 250 deg); 28.06, 12.7, 4.7' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 2.4' tail in p.a. 242 deg); 28.11, 13.8, 1.9' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD); 29.59, 13.9, 1.3' (C. Wyatt, 0.4-m Newtonian); 29.70, 12.8, 3' (K. Harikae, 0.15-m Newtonian + CCD); 30.07, 13.9, -- (G. van Buitenen, Dordrecht, NL (G06), 0.203-m Ritchey-Chretien + CCD; 5' tail in p.a. 253 deg); 30.69, 13.3, 2.6' (K. Harikae, 0.15-m Newtonian + CCD); aug 02.13, 14.0, 1.7' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD); 03.33, 14.2, 1.2' (M. Mašek, 0.3-m Cassegrain reflector + CCD; 1.1' tail in p.a. 230 deg); 03.34, 14.3, 1.2' (M. Mašek, 0.3-m Cassegrain reflector + CCD; 1.3' tail in p.a. 231 deg); 06.09, 14.0, 1.7' (P. Carson, f, 0.315-m Cassegrain reflector + CCD); 08.03, 14.0, 0.7' (C. Harder, Jeersdorf f, 0.531-m Newtonian); 08.13, 13.6, 2.8' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD);

39P/Oterma
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
aug 03.33, 21.9, -- (J. Maikner, Comet Hunter Observatory 2, 0.305-m Hyperboloid astro-camera + CCD);

44P/Reinmuth
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
jul 15.22, 18.2, 0.38' (K. Hills, 0.5-m Newtonian + CCD); aug 02.15, 16.7, 1.1' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD); 04.02, 17.4, 1.1' (M. Lošťák, 0.2-m Newtonian + CCD); 08.11, 18.1, 0.4' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD);

51P-D/Harrington
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
aug 03.26, 19.1, -- (J. Maikner, Comet Hunter Observatory 2, 0.305-m Hyperboloid astro-camera + CCD);

57P-A/du Toit-Neujmin-Delporte
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
aug 06.15, 17.6, 0.4' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD);

61P/Shajn-Schaldach
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
jul 30.05, 17.1, -- (G. van Buitenen, Dordrecht, NL (G06), 0.203-m Ritchey-Chretien + CCD); 31.33, 18.5, -- (J. Maikner, Comet Hunter Observatory 2, 0.305-m Hyperboloid astro-camera + CCD);

73P/Schwassmann-Wachmann
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
jul 19.74, 12.3, 5.6' (T. Lehmann, Hakos (remote), 0.2-m Newtonian + CCD; 0.18 tail in p.a. 107 deg); 19.91, 10.4, 4' (J. Gonzalez Suarez, 0.203-m Schmidt-Cassegrain); 31.89, 9.8, 3' (J. Gonzalez Suarez, 0.203-m Schmidt-Cassegrain);

99P/Kowal
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
jul 14.90, 17.9, 0.38' (K. Hills, 0.5-m Newtonian + CCD);

104P/Kowal
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
jul 20.74, 16.1, 2.1' (T. Lehmann, Hakos (remote), 0.2-m Newtonian + CCD);

107P/Wilson-Harrington
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
jul 24.10, 16.7, 0.4' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD); aug 03.06, 17.4, 0.3' (J. Hadač, 0.15-m Newtonian + CCD); 04.09, 16.8, 0.4' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD);

116P/Wild
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
jul 19.76, 13.8, 2.2' (T. Lehmann, Hakos (remote), 0.2-m Newtonian + CCD; 0.04 tail in p.a. 116 deg);

117P/Helin-Roman-Alu
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
jul 19.83, 13.2, 1.5' (T. Lehmann, Hakos (remote), 0.2-m Newtonian + CCD; 0.05 tail in p.a. 285 deg); 23.01, 14.0, 0.56' (K. Hills, 0.5-m Newtonian + CCD); 25.49, 13.6, 0.7' (C. Wyatt, 0.4-m Newtonian); 29.57, 13.5, 0.5' (C. Wyatt, 0.4-m Newtonian);

118P/Shoemaker-Levy
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
jul 14.18, 18.0, 0.3' (G. Pappa, Namibia (remote control), 0.36-m Hyperboloid astro-camera + CCD);

127P/Holt-Olmstead
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
aug 04.35, 18.6, -- (J. Maikner, Comet Hunter Observatory 2, 0.305-m Hyperboloid astro-camera + CCD);

170P/Christensen
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
jul 30.01, 18.3, 0.4' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD); aug 04.21, 18.4, -- (J. Maikner, Comet Hunter Observatory 2, 0.305-m Hyperboloid astro-camera + CCD);

176P/LINEAR
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
aug 04.32, 19.5, -- (J. Maikner, Comet Hunter Observatory 2, 0.305-m Hyperboloid astro-camera + CCD);

246P/NEAT
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
jul 29.14, 16.6, 0.4' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD; 9' tail); aug 02.11, 16.4, 0.4' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD);

285P/LINEAR
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
aug 06.91, 14.9, 0.5' (M. Mašek, 0.25-m Schmidt-Cassegrain + CCD); 06.91, 14.5, 0.5' (M. Mašek, 0.25-m Schmidt-Cassegrain + CCD); 07.20, 14.8, -- (A. Guerra, Vacaville, California, 0.07-m Refractor + CCD); 07.92, 14.8, 0.5' (J. Vincent, South Woodham Ferrers UK, 0.305-m Newtonian + CCD); 07.94, 15.1, 0.5' (M. Mašek, 0.25-m Schmidt-Cassegrain + CCD); 07.94, 14.7, 0.5' (M. Mašek, 0.25-m Schmidt-Cassegrain + CCD); 08.05, 14.7, 0.4' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD); 08.87, 14.9, 0.4' (P. Livanec, 0.102-m Refractor + CCD); 08.92, 14.4, 0.7' (J. Hadač, 0.15-m Newtonian + CCD); 08.99, 14.4, 0.2' (C. Harder, Jeersdorf h, 0.353-m Newtonian); 09.05, 14.9, 0.4' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD);

286P/Christensen
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
jul 28.15, 19.2, 0.38' (K. Hills, 0.5-m Newtonian + CCD); 31.15, 18.9, 0.38' (K. Hills, 0.5-m Newtonian + CCD);

287P/Christensen
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
jul 16.95, 18.7, 0.38' (K. Hills, 0.5-m Newtonian + CCD); aug 01.89, 19.2, 0.38' (K. Hills, 0.5-m Newtonian + CCD);

291P/NEAT
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
jul 13.96, 20.2, -- (G. Pappa, Namibia (remote control), 0.5-m Prime focus of a reflector + CCD);

325P/Yang-Gao
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
jul 31.14, 19.7, -- (J. Maikner, Comet Hunter Observatory 2, 0.305-m Hyperboloid astro-camera + CCD); aug 04.14, 19.2, -- (J. Maikner, Comet Hunter Observatory 2, 0.305-m Hyperboloid astro-camera + CCD);

327P/Van Ness
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
jul 26.10, 17.4, 0.4' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD); 28.01, 16.3, 0.8' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD); 30.10, 17.0, -- (G. van Buitenen, Dordrecht, NL (G06), 0.203-m Ritchey-Chretien + CCD); aug 02.03, 17.2, 0.3' (J. Hadač, 0.15-m Newtonian + CCD); 02.96, 16.7, 0.3' (J. Hadač, 0.15-m Newtonian + CCD); 04.04, 15.8, 1.1' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD); 04.07, 17.0, 0.4' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD);

337P/WISE
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
jul 16.94, 19.2, 0.38' (K. Hills, 0.5-m Newtonian + CCD); 31.91, 18.6, 0.38' (K. Hills, 0.5-m Newtonian + CCD);

395P/Catalina-NEAT
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
aug 04.07, 17.0, 0.4' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD);

419P/PANSTARRS
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
aug 01.01, 19.5, 0.38' (K. Hills, 0.5-m Newtonian + CCD);

420P/Hill
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
jul 29.12, 19.0, 0.4' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD);

426P/PANSTARRS
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
jul 31.18, 20.5, -- (J. Maikner, Comet Hunter Observatory 2, 0.305-m Hyperboloid astro-camera + CCD);

442P/McNaught
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
jul 28.20, 18.9, 0.38' (K. Hills, 0.5-m Newtonian + CCD); 31.19, 18.9, 0.38' (K. Hills, 0.5-m Newtonian + CCD);

C/2014 F3 (Sheppard-Trujillo)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
aug 04.28, 20.1, -- (J. Maikner, Comet Hunter Observatory 2, 0.305-m Hyperboloid astro-camera + CCD);

C/2017 K2 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
jul 11.91, 8.6, 12' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.45 tail in p.a. 11 deg); 13.90, 8.5, 4' (G. Pappa, Namibia (remote control), 0.2-m Newtonian + CCD; 20' tail); 14.89, 8.6, 7' (E. Bryssinck, 0.4-m Newtonian + CCD; 17.3' tail in p.a. 22 deg); 14.89, 8.4, 4' (J. de Souza Aguiar, 25x100 Binoculars); 14.92, 8.1, 10' (P. Dekelver, 0.3-m Newtonian + CCD; 15.5' tail in p.a. 14 deg); 14.93, 8.6, 4' (A. Scholten, Eerbeek, 0.2-m Newtonian); 15.13, 9.1, 3' (D. Zubenel, De Soto, Kansas., 0.15-m Newtonian); 15.74, 8.4, 5' (G. Pappa, Namibia (remote control), 0.2-m Newtonian + CCD; 30' tail); 15.89, 8.8, 5' (J. Chambo, Valles, Valencia, Spain, 0.2-m Newtonian + CCD; 34' tail in p.a. 13 deg); 15.90, 9.2, 4.8' (P. Livanec, 0.102-m Refractor + CCD; 24.5' tail in p.a. 16 deg); 15.90, 8.5, -- (J. Solaz, Caldes de Montbui, 0.06-m Refractor + CCD); 15.92, 8.3, 10' (P. Dekelver, 0.3-m Newtonian + CCD; 16' tail in p.a. 17 deg); 16.92, 8.3, 10' (P. Dekelver, 0.3-m Newtonian + CCD; 16' tail in p.a. 16 deg); 16.92, 8.5, 3' (A. Amorim, 0.09-m Refractor); 16.92, 8.5, 19' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.94 tail in p.a. 13 deg); 16.92, 8.8, 4' (A. Scholten, Eerbeek, 0.2-m Newtonian); 16.92, 8.8, 4' (V. Díaz, La Romana, Alicante, Spain, 0.08-m Refractor); 16.93, 8.7, 5' (V. Kasten, 0.113-m Newtonian); 16.93, 8.9, 6.5' (M. Mašek, 0.2-m Newtonian + CCD; 19.4' tail in p.a. 15 deg); 16.93, 8.5, 4' (G. van Buitenen, Dordrecht, NL (G06), 0.13-m Newtonian); 16.94, 8.5, 4' (G. van Buitenen, Dordrecht, NL (G06), 0.304-m Newtonian); 16.95, 9.5, 7.71' (K. Hills, 0.5-m Newtonian + CCD); 17.38, 8.6, 5' (M. Mattiazzo, Swan Hill, Victoria, 15x70 Binoculars); 17.92, 8.1, 10' (P. Dekelver, 0.3-m Newtonian + CCD; 15.7' tail in p.a. 12 deg); 17.92, 8.9, 3' (M. Filipek, 0.25-m Newtonian); 17.92, 8.9, 3.5' (J. Konecny, Medlov - Hlivice, 0.12-m Refractor); 17.93, 8.6, 4' (A. Scholten, Eerbeek, 0.2-m Newtonian); 17.95, 8.4, 4' (P. Pérez Corujo, Vega de San Mateo Gran Canaria, 20x80 Binoculars); 18.89, 8.8, 3.5' (M. Kwinta, Krzesławice, 0.3-m Newtonian; 11' tail in p.a. 90 deg); 18.90, 8.4, 3' (J. de Souza Aguiar, 25x100 Binoculars); 18.90, 8.9, 3' (M. Filipek, 0.25-m Newtonian); 18.91, 8.2, 3.5' (A. Kammerer, Voelkersbach, Black Forest (Germany), 0.203-m Schmidt-Cassegrain; 0.15° tail in p.a. 20 deg); 18.92, 9.0, 3.5' (C. Harder, Jeersdorf f, 0.353-m Newtonian); 18.95, 8.8, 4' (A. Scholten, Eerbeek, 0.2-m Newtonian); 19.53, 9.2, 6' (K. Yoshimoto, 0.203-m Ritchey-Chretien + CCD; 25' tail in p.a. 15 deg); 19.54, 8.6, 7.9' (K. Yoshimoto, 0.203-m Ritchey-Chretien + CCD; 25' tail in p.a. 15 deg); 19.54, 7.9, 4' (K. Yoshimoto, 0.203-m Ritchey-Chretien + CCD; 16' tail in p.a. 15 deg); 19.80, 8.4, 19' (T. Lehmann, Hakos (remote), 0.2-m Newtonian + CCD; 0.98 tail in p.a. 14 deg); 19.89, 8.9, 4' (C. Labordena, La Serra d Engarcera, 0.2-m Schmidt-Cassegrain); 19.89, 8.3, 4' (J. de Souza Aguiar, 25x100 Binoculars); 19.90, 8.8, 3.6' (U. Pilz, 16x70 Binoculars); 19.92, 8.7, 3.5' (M. Kwinta, Krzesławice, 0.3-m Newtonian; 12' tail in p.a. 88 deg); 19.92, 9.0, 4' (C. Harder, Jeersdorf f, 0.353-m Newtonian); 19.92, 8.4, 10' (P. Dekelver, 0.3-m Newtonian + CCD; 15.8' tail in p.a. 15 deg); 19.92, 8.7, 5' (A. Scholten, Eerbeek, 0.2-m Newtonian); 19.93, 8.6, 6' (A. Scholten, Eerbeek, 15x80 Binoculars); 19.94, 8.1, 6' (J. Gonzalez Suarez, 10x50 Binoculars); 20.77, 8.4, 21' (T. Lehmann, Hakos (remote), 0.2-m Newtonian + CCD; 1.05 tail in p.a. 16 deg); 20.89, 8.3, 4' (J. de Souza Aguiar, 25x100 Binoculars); 20.90, 8.8, 2.5' (M. Kwinta, 0.3-m Newtonian); 20.90, 8.4, 3.5' (M. Mašek, 20x80 Binoculars); 20.91, 8.6, 3' (A. Amorim, 0.09-m Refractor); 20.93, 9.1, 3' (M. Filipek, 0.25-m Newtonian); 21.13, 8.6, 3' (A. Martini Jr, 0.127-m Maksutov); 21.76, 8.4, 20' (T. Lehmann, Hakos (remote), 0.2-m Newtonian + CCD; 1.02 tail in p.a. 15 deg); 21.88, 8.8, 2.5' (M. Kwinta, 0.3-m Newtonian); 21.90, 9.2, 2.5' (M. Filipek, 0.25-m Newtonian); 21.92, 8.5, 3' (A. Amorim, 0.09-m Refractor); 21.95, 8.4, 4' (J. de Souza Aguiar, 25x100 Binoculars); 22.51, 9.4, 2.9' (O. Miyazaki, 0.2-m Newtonian); 22.88, 10.0, 0.72' (S. Shurpakov, 0.41-m Newtonian + CCD); 22.89, 8.4, 2.7' (J. Konecny, Medlov - Hlivice, 0.12-m Refractor); 22.92, 8.6, 4' (J. de Souza Aguiar, 25x100 Binoculars); 22.93, 8.8, 3' (J. de Souza Aguiar, 0.27-m Newtonian); 22.98, 8.6, 5.7' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD); 23.90, 8.7, 3' (J. de Souza Aguiar, 0.27-m Newtonian); 23.92, 9.3, 3' (C. Harder, Jeersdorf f, 0.531-m Newtonian; 2' tail in p.a. 45 deg); 23.92, 8.9, 3.9' (V. Kasten, 0.07-m Refractor); 23.93, 8.4, 9.8' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD); 23.93, 8.5, 4' (A. Scholten, Eerbeek, 0.2-m Newtonian); 24.88, 8.5, 3' (J. Konecny, Medlov - Hlivice, 0.12-m Refractor); 24.90, 8.9, 2.8' (M. Kwinta, 0.3-m Newtonian; 6' tail in p.a. 110 deg); 24.91, 8.6, 5' (A. Scholten, Eerbeek, 0.2-m Newtonian); 24.94, 9.0, 10' (P. Dekelver, 0.3-m Newtonian + CCD; 15.1' tail in p.a. 18 deg); 24.94, 8.6, 3' (A. Kammerer, Voelkersbach (Black Forest), Germany, 0.4-m Newtonian); 25.53, 8.3, 12' (C. Wyatt, 15x70 Binoculars); 25.91, 9.0, 2.6' (M. Kwinta, 0.3-m Newtonian); 25.91, 8.7, 4' (J. de Souza Aguiar, 0.27-m Newtonian); 25.92, [8.5, 8' (W. Webb, Wallace, Arkansas, 0.203-m Schmidt-Cassegrain); 25.92, 8.7, 3' (M. Filipek, 0.25-m Newtonian); 25.97, 8.6, 10' (P. Dekelver, 0.3-m Newtonian + CCD; 15.4' tail in p.a. 19 deg); 26.00, 8.4, 9.6' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD); 26.90, 8.8, 4' (J. de Souza Aguiar, 0.27-m Newtonian); 26.92, &8.8, 8' (W. Webb, Wallace, Arkansas, 0.203-m Schmidt-Cassegrain); 27.88, 8.2, 23' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.73 tail in p.a. 17 deg); 27.90, 8.9, 3.8' (C. Harder, Jeersdorf f, 0.531-m Newtonian); 27.90, 9.7, 4.89' (K. Hills, 0.5-m Newtonian + CCD); 27.98, 8.6, 9.8' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD); 28.86, 9.1, 4.1' (J. Hadač, 0.15-m Newtonian + CCD; 8.9' tail in p.a. 33 deg); 28.89, 8.9, 3' (J. de Souza Aguiar, 0.27-m Newtonian); 28.97, 8.3, 4' (P. Pérez Corujo, Vega de San Mateo Gran Canaria, 20x80 Binoculars); 28.99, 8.6, 10.8' (M. Mašek, 0.3-m Cassegrain reflector + CCD; 22.7' tail in p.a. 19 deg); 28.99, 9.3, 4.8' (M. Mašek, 0.3-m Cassegrain reflector + CCD; 22.5' tail in p.a. 18 deg); 29.50, 9.6, 3' (O. Miyazaki, 0.2-m Newtonian); 29.55, 8.6, 8.3' (C. Wyatt, 15x70 Binoculars; 17' tail in p.a. 32 deg); 29.84, +10.2, 5' (J. Navarro Pina, Sierra de Carrascoy ( Murcia , Spain ), 0.305-m Newtonian); 29.89, 9.4, 1.44' (S. Shurpakov, 0.41-m Newtonian + CCD); 29.97, 8.0, 10.3' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD); 30.89, 8.8, 4.5' (M. Meyer, Plau am See, Germany, 0.12-m Refractor); 30.91, 8.9, 3' (J. de Souza Aguiar, 0.27-m Newtonian); 31.91, 8.8, 4' (J. de Souza Aguiar, 0.27-m Newtonian); 31.92, 8.0, 8' (J. Gonzalez Suarez, 10x50 Binoculars); aug 01.88, 9.9, 4.51' (K. Hills, 0.5-m Newtonian + CCD); 01.91, 8.3, 7' (C. Labordena, Vistabella, 11x80 Binoculars); 01.91, 8.5, 4' (C. Harder, DK/ Ferring Strand, 0.252-m Newtonian); 01.91, 8.5, 4' (A. Scholten, Eerbeek, 0.2-m Newtonian); 01.96, 8.5, 10.2' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD); 01.99, 8.8, -- (J. de Souza Aguiar, 0.27-m Newtonian); 02.87, 8.5, 19' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.78 tail in p.a. 20 deg); 02.88, 9.0, 2.6' (M. Kwinta, 0.3-m Newtonian); 02.88, 9.6, 1' (M. Filipek, 0.4-m Newtonian); 02.91, 8.6, 4' (A. Scholten, Eerbeek, 0.2-m Newtonian); 02.97, 8.6, 4' (J. de Souza Aguiar, 0.27-m Newtonian); 03.85, 8.9, 2.7' (M. Kwinta, 0.3-m Newtonian); 03.86, 9.3, 5.8' (J. Hadač, 0.15-m Newtonian + CCD; 11.1' tail in p.a. 27 deg); 03.87, 8.4, 24' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 2.3 tail in p.a. 20 deg); 03.87, 8.6, 7.5' (M. Paradowski, Piotrowice Wielkie, Poland, 0.075-m Refractor + CCD; 22' tail in p.a. 21 deg); 03.88, 8.5, 4.2' (A. Kammerer, Voelkersbach, Black Forest (Germany), 0.4-m Newtonian); 03.88, 8.4, 5' (M. Meyer, 0.12-m Refractor); 03.88, 9.5, 1.7' (U. Pilz, 0.32-m Newtonian); 03.90, 8.7, 4' (J. de Souza Aguiar, 0.27-m Newtonian); 03.91, 9.3, 2' (M. Filipek, 0.25-m Newtonian); 03.98, 8.6, 5.8' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD); 04.90, 8.7, 3' (M. Kwinta, Glanów, 0.4-m Newtonian; 5' tail in p.a. 105 deg); 04.99, 8.8, 4' (J. de Souza Aguiar, 0.27-m Newtonian); 05.92, 9.0, 3' (A. Scholten, Eerbeek, 0.356-m Schmidt-Cassegrain); 06.90, 9.0, 4.5' (M. Meyer, 0.254-m Newtonian); 07.17, 8.9, 2.4' (D. Heggie, mayhill, 0.15-m Refractor + CCD; 15' tail in p.a. 21 deg); 07.84, 10.0, 1.1' (S. Shurpakov, 0.41-m Newtonian + CCD);

C/2017 U7
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
jul 16.92, 19.8, 0.38' (K. Hills, 0.5-m Newtonian + CCD);

C/2019 K7 (SMITH)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
jul 16.89, 18.6, 0.38' (K. Hills, 0.5-m Newtonian + CCD); aug 01.94, 18.9, 0.38' (K. Hills, 0.5-m Newtonian + CCD);

C/2019 O3
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
jul 14.01, 17.5, 0.38' (K. Hills, 0.5-m Newtonian + CCD); 14.97, 16.7, 1' (P. Dekelver, 0.3-m Newtonian + CCD; 0.8' tail in p.a. 154 deg); 15.98, 16.7, 0.8' (P. Dekelver, 0.3-m Newtonian + CCD; 1.9' tail in p.a. 151 deg); 16.97, 16.3, 0.8' (P. Dekelver, 0.3-m Newtonian + CCD; 0.8' tail in p.a. 154 deg); 17.97, 16.2, 0.8' (P. Dekelver, 0.3-m Newtonian + CCD; 0.8' tail in p.a. 154 deg); 19.98, 16.8, 0.8' (P. Dekelver, 0.3-m Newtonian + CCD; 1.3' tail in p.a. 150 deg); 24.99, 16.5, 1' (P. Dekelver, 0.3-m Newtonian + CCD; 1.2' tail in p.a. 150 deg); 27.97, 17.3, 0.38' (K. Hills, 0.5-m Newtonian + CCD); aug 01.93, 17.6, 0.38' (K. Hills, 0.5-m Newtonian + CCD); 02.06, 17.3, 0.4' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD); 03.91, 18.0, 0.2' (J. Hadač, 0.15-m Newtonian + CCD); 03.97, 17.3, 0.2' (J. Hadač, 0.15-m Newtonian + CCD);

C/2019 T3 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
jul 27.91, 16.6, 0.3' (J. Hadač, 0.15-m Newtonian + CCD); 28.99, 17.2, 0.3' (J. Hadač, 0.15-m Newtonian + CCD);

C/2019 T4 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
jul 20.76, 12.8, 2.3' (T. Lehmann, Hakos (remote), 0.2-m Newtonian + CCD; 0.1 tail in p.a. 227 deg); 25.47, 12.9, 1.1' (C. Wyatt, 0.4-m Newtonian);

C/2019 U5 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
jul 16.96, 14.2, 1.2' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.04 tail in p.a. 60 deg); 17.91, 14.2, 0.75' (K. Hills, 0.5-m Newtonian + CCD); 24.91, 13.8, 0.5' (C. Harder, Jeersdorf f, 0.531-m Newtonian); 27.91, 14.0, 0.5' (C. Harder, Jeersdorf f, 0.531-m Newtonian); 31.90, 12.4, 2.5' (J. Gonzalez Suarez, 0.203-m Schmidt-Cassegrain);

C/2020 F2 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
jul 17.89, 17.5, 0.38' (K. Hills, 0.5-m Newtonian + CCD);

C/2020 F5 (MASTER)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
jul 15.03, 16.1, 1' (P. Dekelver, 0.3-m Newtonian + CCD; 2' tail in p.a. 207 deg); 16.03, 16.2, 0.8' (P. Dekelver, 0.3-m Newtonian + CCD; 1.6' tail in p.a. 207 deg); 17.02, 16.2, 0.8' (P. Dekelver, 0.3-m Newtonian + CCD); 18.03, 16.4, 0.8' (P. Dekelver, 0.3-m Newtonian + CCD; 1.8' tail in p.a. 212 deg); 20.04, 16.5, 1' (P. Dekelver, 0.3-m Newtonian + CCD; 1' tail in p.a. 216 deg); 24.05, 16.6, 0.4' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD); 28.06, 16.4, 0.4' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD); 29.99, 16.7, 0.19' (S. Shurpakov, 0.41-m Newtonian + CCD; 0.3' tail in p.a. 206 deg); 30.00, 16.8, -- (G. van Buitenen, Dordrecht, NL (G06), 0.203-m Ritchey-Chretien + CCD; 2' tail in p.a. 205 deg); aug 02.09, 16.8, 0.4' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD); 02.23, 17.1, 0.38' (K. Hills, 0.5-m Newtonian + CCD);

C/2020 H6 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
jul 13.90, 16.9, 0.38' (K. Hills, 0.5-m Newtonian + CCD); 16.99, 16.2, 0.8' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 1.7' tail in p.a. 207 deg); 24.88, 16.5, 1.1' (M. Lošťák, 0.2-m Newtonian + CCD); 31.89, 16.7, 0.3' (J. Hadač, 0.15-m Newtonian + CCD); aug 01.84, 15.8, 0.4' (J. Hadač, 0.15-m Newtonian + CCD); 01.91, 17.0, 0.38' (K. Hills, 0.5-m Newtonian + CCD);

C/2020 J1 (SONEAR)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
jul 17.92, 17.6, 0.38' (K. Hills, 0.5-m Newtonian + CCD);

C/2020 K1 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
jul 11.96, 13.6, 1.7' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD); 16.95, 14.0, 1.6' (M. Lošťák, 0.2-m Newtonian + CCD); 17.02, 13.5, 1.4' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.06 tail in p.a. 13 deg); 18.08, 13.6, 0.94' (K. Hills, 0.5-m Newtonian + CCD); 19.24, 13.8, -- (A. Guerra, Vacaville, California, 0.07-m Refractor + CCD); 19.90, 12.8, 0.6' (M. Kwinta, Krzesławice, 0.3-m Newtonian); 19.95, 14.0, 2' (M. Lošťák, 0.2-m Newtonian + CCD); 19.97, 12.3, 2' (J. Gonzalez Suarez, 0.203-m Schmidt-Cassegrain); 21.91, 13.7, 1.4' (M. Paradowski, 0.068-m Refractor + CCD); 22.55, 12.6, 0.8' (O. Miyazaki, 0.32-m Newtonian); 22.93, 12.9, 0.6' (M. Kwinta, 0.3-m Newtonian); 22.95, 13.8, 0.29' (S. Shurpakov, 0.41-m Newtonian + CCD); 23.95, 13.5, 0.6' (C. Harder, Jeersdorf f, 0.531-m Newtonian); 23.95, 13.4, 0.8' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD); 24.93, 13.8, 2.5' (M. Lošťák, 0.2-m Newtonian + CCD); 24.95, 12.7, 0.7' (M. Kwinta, 0.3-m Newtonian); 24.96, 13.4, 0.8' (C. Harder, Jeersdorf f, 0.531-m Newtonian); 24.99, 13.5, 0.9' (J. Hadač, 0.15-m Newtonian + CCD); 25.48, 13.2, 0.8' (C. Wyatt, 0.4-m Newtonian); 26.99, 13.2, 1' (J. de Souza Aguiar, 0.27-m Newtonian); 27.92, 13.6, 1.5' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 1.8' tail in p.a. 16 deg); 27.94, 12.9, 1.4' (C. Harder, Jeersdorf f, 0.531-m Newtonian); 28.00, 13.3, 0.9' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD); 28.01, 13.8, 0.94' (K. Hills, 0.5-m Newtonian + CCD); 29.56, 13.6, 0.9' (C. Wyatt, 0.4-m Newtonian); 29.95, 14.6, 0.48' (S. Shurpakov, 0.41-m Newtonian + CCD); 29.97, 13.5, 0.6' (G. van Buitenen, Dordrecht, NL (G06), 0.203-m Ritchey-Chretien + CCD); 30.97, 13.2, 1' (J. de Souza Aguiar, 0.27-m Newtonian); 31.94, 13.2, 0.9' (J. Hadač, 0.15-m Newtonian + CCD); 31.96, 14.0, 0.75' (K. Hills, 0.5-m Newtonian + CCD); 31.98, 13.3, 1' (J. de Souza Aguiar, 0.27-m Newtonian); aug 01.00, 12.1, 2.5' (J. Gonzalez Suarez, 0.203-m Schmidt-Cassegrain); 01.99, 13.3, 0.8' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD); 02.92, 12.1, 0.5' (M. Filipek, 0.4-m Newtonian); 02.95, 13.4, 3.2' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.05 tail in p.a. 16 deg); 03.87, 13.7, 0.9' (P. Livanec, 0.102-m Refractor + CCD); 03.90, 14.1, 1.8' (M. Lošťák, 0.2-m Newtonian + CCD); 03.92, 13.4, 2.5' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 2.2' tail in p.a. 15 deg); 04.01, 13.1, 1.3' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD); 04.92, 12.6, 0.5' (M. Kwinta, Glanów, 0.4-m Newtonian); 07.95, 13.7, 0.5' (J. Vincent, South Woodham Ferrers UK, 0.305-m Newtonian + CCD); 07.96, , 1.5' (C. Harder, Jeersdorf f, 0.531-m Newtonian);

C/2020 O2 (Amaral)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
jul 15.95, 16.3, 0.6' (P. Dekelver, 0.3-m Newtonian + CCD; 0.6' tail in p.a. 206 deg); 16.94, 16.6, 0.8' (P. Dekelver, 0.3-m Newtonian + CCD); 16.99, 17.3, 0.38' (K. Hills, 0.5-m Newtonian + CCD); 19.95, 15.1, 0.6' (P. Dekelver, 0.3-m Newtonian + CCD; 0.5' tail in p.a. 207 deg); 23.01, 16.9, 0.4' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD); 23.97, 17.0, 0.4' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD); 24.97, 16.4, 1' (P. Dekelver, 0.3-m Newtonian + CCD; 1.4' tail in p.a. 200 deg); 26.04, 17.1, 0.4' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD); 27.97, 17.9, 0.2' (J. Hadač, 0.15-m Newtonian + CCD); 28.06, 17.5, 0.38' (K. Hills, 0.5-m Newtonian + CCD); 31.94, 17.3, 0.38' (K. Hills, 0.5-m Newtonian + CCD); aug 02.03, 17.2, 0.4' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD);

C/2020 R7 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
jul 19.83, 13.6, 1.8' (T. Lehmann, Hakos (remote), 0.2-m Newtonian + CCD; 0.06 tail in p.a. 142 deg); 25.50, 13.7, 0.5' (C. Wyatt, 0.4-m Newtonian);

C/2020 U4 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
jul 26.12, 18.2, 0.4' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD);

C/2020 U5 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
jul 22.66, 17.9, 0.3' (K. Yoshimoto, 0.203-m Ritchey-Chretien + CCD); 26.08, 17.7, 0.4' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD); 31.14, 18.4, 0.38' (K. Hills, 0.5-m Newtonian + CCD); aug 02.00, 17.5, 0.3' (J. Hadač, 0.15-m Newtonian + CCD); 04.02, 17.9, 0.3' (J. Hadač, 0.15-m Newtonian + CCD);

C/2020 V2 (ZTF)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
jul 16.94, 13.2, 1.4' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 1.2' tail in p.a. 106 deg); 20.91, 11.6, 1.2' (M. Filipek, 0.25-m Newtonian); 23.93, 12.6, 0.5' (C. Harder, Jeersdorf f, 0.531-m Newtonian); 24.98, 13.1, 0.75' (C. Harder, Jeersdorf f, 0.531-m Newtonian); aug 02.91, 12.9, 2.8' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 1.8' tail in p.a. 103 deg); 03.88, 12.0, 0.5' (U. Pilz, 0.32-m Newtonian); 07.97, 12.7, 0.7' (C. Harder, Jeersdorf f, 0.531-m Newtonian);

C/2021 E3 (ZTF)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
jul 24.37, 10.3, 7' (J. Chambo, Siding Spring, Australia, 0.51-m Ritchey-Chretien + CCD; 12' tail in p.a. 147 deg);

C/2021 F1 (Lemmon-PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
jul 14.19, 16.5, -- (G. Pappa, Namibia (remote control), 0.5-m Prime focus of a reflector + CCD);

C/2021 S3 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
aug 03.40, 16.8, 0.4' (M. Mašek, 0.3-m Cassegrain reflector + CCD); 03.40, 17.2, 0.4' (M. Mašek, 0.3-m Cassegrain reflector + CCD);

C/2021 T4 (Lemmon)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
jul 26.14, 17.0, 0.4' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD); aug 04.15, 17.2, 0.4' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD);

C/2021 Y1 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
jul 18.05, 16.9, 0.6' (P. Dekelver, 0.3-m Newtonian + CCD); 28.15, 16.8, 0.4' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD); aug 03.07, 17.2, 0.6' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD); 04.13, 16.9, 0.4' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD);

C/2022 E3 (ZTF)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
jul 12.02, 13.4, 2' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.05 tail in p.a. 157 deg); 12.28, 13.2, -- (D. Heggie, mayhill, 0.15-m Refractor + CCD; 0.5' tail in p.a. 150 deg); 17.04, 13.5, 1.3' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.07 tail in p.a. 149 deg); 17.99, 13.0, 2' (P. Dekelver, 0.3-m Newtonian + CCD; 3.1' tail in p.a. 150 deg); 18.01, 13.4, 1.32' (K. Hills, 0.5-m Newtonian + CCD); 18.01, 12.2, 0.9' (W. Kutschera, 0.54-m Newtonian; 0.18 tail); 18.74, 13.3, 0.6' (A. Novichonok, 0.36-m Ritchey-Chretien + CCD; 2' tail in p.a. 148 deg); 18.93, 13.1, 0.3' (C. Harder, Jeersdorf f, 0.353-m Newtonian); 18.93, 13.0, 0.7' (M. Kwinta, Krzesławice, 0.3-m Newtonian); 19.63, 13.3, 0.5' (K. Yoshimoto, 0.203-m Ritchey-Chretien + CCD; 2.4' tail in p.a. 145 deg); 19.92, 12.7, 0.8' (M. Kwinta, Krzesławice, 0.3-m Newtonian); 19.95, 13.3, 0.7' (G. van Buitenen, Dordrecht, NL (G06), 0.203-m Ritchey-Chretien + CCD; 3.5' tail in p.a. 148 deg); 19.96, 12.7, 0.7' (J. Gonzalez Suarez, 0.203-m Schmidt-Cassegrain); 20.00, 13.5, 2' (P. Dekelver, 0.3-m Newtonian + CCD; 3.5' tail in p.a. 147 deg); 20.92, 13.0, 2.8' (M. Paradowski, 0.068-m Refractor + CCD); 22.57, 12.6, 0.8' (O. Miyazaki, 0.32-m Newtonian); 23.02, 13.4, 0.8' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD); 23.04, 12.0, 1' (W. Kutschera, 0.54-m Newtonian; 0.17 tail); 23.22, 13.6, -- (D. Heggie, mayhill, 0.15-m Refractor + CCD; 40" tail in p.a. 140 deg); 23.96, 13.3, 0.25' (C. Harder, Jeersdorf f, 0.531-m Newtonian; 0.8' tail in p.a. 145 deg); 24.08, 11.9, 2' (P. Dekelver, 0.3-m Newtonian + CCD; 2.2' tail in p.a. 141 deg); 24.93, 13.5, 0.25' (C. Harder, Jeersdorf f, 0.531-m Newtonian; 1' tail in p.a. 130 deg); 24.94, 13.4, 0.9' (J. Hadač, 0.15-m Newtonian + CCD; 3' tail in p.a. 141 deg); 25.02, 13.4, 2' (P. Dekelver, 0.3-m Newtonian + CCD; 2.5' tail in p.a. 138 deg); 25.47, 13.4, 0.4' (C. Wyatt, 0.4-m Newtonian; 1.2' tail in p.a. 123 deg); 25.92, 12.8, 2.8' (M. Paradowski, 0.068-m Refractor + CCD; 3' tail in p.a. 139 deg); 26.01, 13.6, 3.2' (P. Dekelver, 0.3-m Newtonian + CCD; 3.2' tail in p.a. 140 deg); 26.06, 13.3, 1.1' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD); 26.85, 13.5, 0.6' (J. Hadač, 0.15-m Newtonian + CCD; 2' tail in p.a. 135 deg); 27.92, 12.6, 0.5' (C. Harder, Jeersdorf f, 0.531-m Newtonian; 1.5' tail in p.a. 130 deg); 27.96, 13.0, 2.7' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.08 tail in p.a. 139 deg); 28.04, 13.5, 0.9' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD); 28.05, 13.7, 0.75' (K. Hills, 0.5-m Newtonian + CCD); 28.98, 13.0, -- (N. Novikov, Russia, d. Enaberdino, 0.153-m Newtonian); 29.55, 13.5, 0.7' (C. Wyatt, 0.4-m Newtonian; 1.2' tail in p.a. 129 deg); 29.70, 13.0, 1.5' (K. Harikae, 0.15-m Newtonian + CCD; 1.5' tail in p.a. 135 deg); 30.93, 13.0, -- (D. Heggie, edinburgh, 0.135-m Newtonian + CCD; 2' tail in p.a. 120 deg); 30.99, 13.2, 1' (J. de Souza Aguiar, 0.27-m Newtonian); 31.92, 13.2, 0.4' (C. Harder, DK/ Ferring Strand, 0.252-m Newtonian); aug 01.02, 12.5, 0.6' (J. Gonzalez Suarez, 0.203-m Schmidt-Cassegrain); 01.02, 13.7, 0.56' (K. Hills, 0.5-m Newtonian + CCD); 01.93, 13.2, 0.4' (C. Harder, DK/ Ferring Strand, 0.252-m Newtonian); 01.96, 13.0, -- (N. Novikov, Russia, d. Enaberdino, 0.153-m Newtonian); 02.01, 13.0, 1.5' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD); 02.89, 12.7, 0.6' (M. Kwinta, 0.3-m Newtonian); 03.00, 12.8, 2.8' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.06 tail in p.a. 133 deg); 03.84, 13.5, 0.8' (P. Livanec, 0.102-m Refractor + CCD; 2.3' tail in p.a. 132 deg); 03.88, 12.9, 0.6' (M. Kwinta, 0.3-m Newtonian); 03.90, 12.6, 0.8' (M. Meyer, 0.254-m Newtonian); 03.90, 12.5, 0.5' (U. Pilz, 0.32-m Newtonian); 03.96, 12.7, 4.2' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.09 tail in p.a. 133 deg); 03.99, 12.3, 1' (W. Kutschera, 0.25-m Newtonian); 04.03, 13.4, 1.1' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD); 04.92, 12.4, -- (D. Heggie, edinburgh, 0.135-m Newtonian + CCD; 3' tail in p.a. 125 deg); 04.93, 12.8, 0.6' (M. Kwinta, Glanów, 0.4-m Newtonian; 2' tail in p.a. 125 deg); 04.93, 12.6, 0.6' (C. Harder, DK/ Ferring Strand, 0.252-m Newtonian); 04.96, 13.5, 0.5' (M. Phillips, Forthimage Observatory Edinburgh UK, 0.25-m Newtonian + CCD; 2' tail in p.a. 130 deg); 05.94, 13.0, 0.6' (T. Karhula, Virsbo, 0.305-m Newtonian); 05.95, 12.7, 0.6' (M. Kwinta, 0.3-m Newtonian; 2' tail in p.a. 125 deg); 05.95, 13.0, 0.65' (C. Harder, DK/ Ferring Strand, 0.252-m Newtonian; 1.5' tail in p.a. 110 deg); 06.39, 13.0, 0.6' (J. Vincent, South Woodham Ferrers UK, 0.305-m Newtonian + CCD); 06.93, 12.5, 1' (M. Meyer, 0.254-m Newtonian); 07.90, 13.1, 0.6' (J. Vincent, South Woodham Ferrers UK, 0.305-m Newtonian + CCD); 08.02, 13.3, 0.5' (C. Harder, Jeersdorf f, 0.531-m Newtonian; 2' tail in p.a. 120 deg); 09.01, 12.9, 0.8' (C. Harder, Jeersdorf h, 0.353-m Newtonian; 0.8' tail in p.a. 120 deg);

C/2022 L1 (Catalina)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
jul 19.10, 16.9, 0.38' (K. Hills, 0.5-m Newtonian + CCD); 20.25, 15.6, 0.8' (M. Mašek, 0.107-m Camera lens + CCD); 22.57, 16.9, 0.3' (K. Yoshimoto, 0.203-m Ritchey-Chretien + CCD); 24.01, 18.3, 0.4' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD); 27.86, 17.5, -- (D. De Martin, Nerpio, Spain (remotely controlled), 0.5-m Prime focus of a reflector + CCD); 27.95, 17.4, 0.38' (K. Hills, 0.5-m Newtonian + CCD); 29.92, 17.9, 0.19' (S. Shurpakov, 0.41-m Newtonian + CCD);

C/2022 L2 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
jul 27.88, 18.3, -- (D. De Martin, Nerpio, Spain (remotely controlled), 0.5-m Prime focus of a reflector + CCD); 27.98, 18.7, 0.38' (K. Hills, 0.5-m Newtonian + CCD); 29.85, 18.4, 0.14' (S. Shurpakov, 0.41-m Newtonian + CCD); 31.98, 18.9, 0.38' (K. Hills, 0.5-m Newtonian + CCD); aug 03.03, 18.2, 0.7' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD); 04.00, 19.1, 0.5' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD); 07.90, 18.3, 0.19' (S. Shurpakov, 0.41-m Newtonian + CCD);

C/2022 N1 (Attard-Maury)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
jul 22.61, 17.0, 0.3' (K. Yoshimoto, 0.203-m Ritchey-Chretien + CCD);

P/2014 R5 (Lemmon-PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
jul 14.92, 19.8, -- (G. Pappa, Namibia (remote control), 0.5-m Prime focus of a reflector + CCD);

P/2016 PM1 (WISE-PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
jul 13.78, 17.9, -- (G. Pappa, Namibia (remote control), 0.5-m Prime focus of a reflector + CCD);

P/2022 L3 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
jul 24.14, 17.1, 0.4' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD); 28.13, 17.0, 0.4' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD); aug 04.06, 16.7, 0.4' (J. Hadač, 0.15-m Newtonian + CCD); 04.08, 16.8, 0.7' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD); 04.11, 17.0, 0.4' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD); 06.13, 17.3, 0.4' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD);

P/2022 M1 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
jul 14.91, 20.7, -- (G. Pappa, Namibia (remote control), 0.5-m Prime focus of a reflector + CCD);