12P/Pons-Brooks
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
nov 14.76, 19.4, 0.4' (T. Lehmann, Weimar, 0.3-m Newtonian + CCD);


17P/Holmes
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
oct 28.25, 19.5, 0.38' (K. Hills, 0.5-m Newtonian + CCD);


22P/Kopff
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
nov 01.90, 14.4, 3' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD);
    01.90, 14.1, 4.1' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.49 tail in p.a. 249 deg);
    10.97, 16.3, 0.8' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    13.78, 15.0, 1.6' (P. Dekelver, 0.3-m Newtonian + CCD);
    25.87, 15.8, 1' (P. Dekelver, 0.3-m Newtonian + CCD);


29P/Schwassmann-Wachmann
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
oct 28.68, [16.0, -- (C. Wyatt, 0.4-m Newtonian);
    29.19, 14.3, 1.5' (K. Hills, 0.5-m Newtonian + CCD);
    29.72, [15.9, -- (C. Wyatt, 0.4-m Newtonian);
    30.93, 15.9, -- (D. Heggie, edinburgh, 0.135-m Newtonian + CCD);
    31.04, 13.8, 2.26' (K. Hills, 0.5-m Newtonian + CCD);
    31.49, 15.2, -- (D. Heggie, mayhill, 0.25-m Hyperboloid astro-camera + CCD; 0.6' tail in p.a. 338 deg);
nov 02.02, 13.1, 5.4' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD);
    02.03, 15.3, 0.75' (K. Hills, 0.5-m Newtonian + CCD);
    05.12, 13.6, 3.2' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    11.05, 13.9, 2.4' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    19.95, 13.3, 4.3' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 2.4' tail in p.a. 311 deg);
    23.52, 12.6, 0.5' (C. Wyatt, 0.4-m Newtonian);
    23.80, 11.8, 0.4' (C. Harder, Jeersdorf f, 0.298-m Newtonian);
    23.89, 11.2, 0.3' (U. Pilz, 0.32-m Newtonian);
    24.84, 11.7, 2' (P. Dekelver, 0.3-m Newtonian + CCD);
    24.85, 11.3, 0.5' (C. Harder, Jeersdorf f, 0.353-m Newtonian);
    24.89, 11.6, 1' (A. Scholten, Eerbeek, 0.356-m Schmidt-Cassegrain);
    25.64, 11.5, 0.6' (C. Wyatt, 0.4-m Newtonian);
    25.91, 11.4, 0.7' (C. Harder, Jeersdorf h, 0.298-m Newtonian);
    25.92, 11.7, 1.5' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    25.93, 11.9, 0.6' (G. van Buitenen, Dordrecht, NL (G06), 0.203-m Ritchey-Chretien + CCD);
    25.94, 11.6, 0.8' (A. Scholten, Eerbeek, 0.356-m Schmidt-Cassegrain);
    25.97, 11.6, 0.9' (E. Bryssinck, 0.4-m Newtonian + CCD);
    25.98, 11.3, 0.5' (M. Deconinck, Artignosc-sur-Verdon, Provence, France, 0.25-m Cassegrain reflector);
    25.98, 11.7, 2' (P. Dekelver, 0.3-m Newtonian + CCD);
    26.79, 11.4, 1.5' (O. Miyazaki, 0.32-m Newtonian);


44P/Reinmuth
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
oct 29.02, 17.7, 18' (D. De Martin, Nerpio, Spain (remotely controlled), 0.51-m Prime focus of a reflector + CCD; 60" tail in p.a. 257 deg);
    31.90, 18.0, 0.19' (S. Shurpakov, 0.41-m Newtonian + CCD; 0.9' tail in p.a. 252 deg);
nov 02.89, 17.6, 0.38' (K. Hills, 0.5-m Newtonian + CCD);
    05.91, 17.2, 0.4' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    25.88, 17.1, -- (G. van Buitenen, Dordrecht, NL (G06), 0.203-m Ritchey-Chretien + CCD);


61P/Shajn-Schaldach
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
oct 29.60, 15.5, 0.7' (K. Yoshimoto, 0.203-m Ritchey-Chretien + CCD);
    30.95, 14.6, 2.9' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.05 tail in p.a. 269 deg);
nov 01.94, 15.0, 2' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD);
    02.90, 14.5, 2.8' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.06 tail in p.a. 271 deg);
    10.99, 16.9, 0.4' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    12.83, 15.0, 2.5' (T. Lehmann, Hakos (remote), 0.2-m Newtonian + CCD; 2' tail in p.a. 288 deg);
    13.78, 15.8, -- (G. van Buitenen, Dordrecht, NL (G06), 0.203-m Ritchey-Chretien + CCD);
    13.89, 14.9, 2' (P. Dekelver, 0.3-m Newtonian + CCD);
    14.86, 15.0, 2.2' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD);
    14.89, 15.1, 1.8' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 1' tail in p.a. 325 deg);
    18.48, 16.2, 0.6' (K. Yoshimoto, 0.203-m Ritchey-Chretien + CCD);
    19.91, 15.2, 2' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 1.1' tail in p.a. 29 deg);
    23.46, 15.8, 0.2' (C. Wyatt, 0.4-m Newtonian);
    25.83, 15.6, 1.2' (P. Dekelver, 0.3-m Newtonian + CCD);


73P/Schwassmann-Wachmann
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
oct 28.42, 11.3, 4.6' (K. Yoshimoto, 0.51-m Newtonian + CCD; 8' tail in p.a. 75 deg);
    28.86, 10.4, 8.1' (T. Lehmann, Hakos (remote), 0.2-m Newtonian + CCD; 0.36 tail in p.a. 81 deg);
nov 04.90, 11.1, 1' (J. de Souza Aguiar, 0.3-m Newtonian);
    05.90, 11.2, 1' (J. de Souza Aguiar, 0.3-m Newtonian);
    08.91, 11.2, 1' (J. de Souza Aguiar, 0.3-m Newtonian);
    11.45, 10.7, 3' (M. Mattiazzo, Swan Hill, Victoria, 25x100 Binoculars);
    12.78, 11.0, 7.6' (T. Lehmann, Hakos (remote), 0.2-m Newtonian + CCD; 0.33 tail in p.a. 75 deg);
    12.93, 11.3, 1' (J. de Souza Aguiar, 0.3-m Newtonian);
    16.96, 11.3, 1' (J. de Souza Aguiar, 0.3-m Newtonian);
    17.96, 11.4, 1' (J. de Souza Aguiar, 0.3-m Newtonian);
    18.81, 10.5, 6' (J. Gonzalez Suarez, 0.203-m Schmidt-Cassegrain);
    18.97, 11.4, 1' (J. de Souza Aguiar, 0.3-m Newtonian);
    23.44, 11.8, 3.9' (C. Wyatt, 0.4-m Newtonian);


81P/Wild
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
oct 29.22, 11.5, 2' (G. Pappa, Spain (remote control), 0.5-m Prime focus of a reflector + CCD);
    29.81, 11.4, 1' (O. Miyazaki, 0.32-m Newtonian);
    30.81, 12.6, 0.8' (O. Miyazaki, 0.32-m Newtonian);
    31.20, 11.5, 2.9' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD);
nov 02.18, 11.1, 5.8' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.12 tail in p.a. 292 deg);
    02.77, 11.7, 1.7' (K. Harikae, 0.15-m Newtonian + CCD);
    04.30, 11.8, 1' (J. de Souza Aguiar, 0.3-m Newtonian);
    04.84, 11.6, 2' (K. Yoshimoto, 0.203-m Ritchey-Chretien + CCD; 15' tail in p.a. 295 deg);
    04.85, 10.7, 1.3' (K. Yoshimoto, 0.203-m Ritchey-Chretien + CCD; 10' tail in p.a. 295 deg);
    05.31, 11.7, 1' (J. de Souza Aguiar, 0.3-m Newtonian);
    05.82, 11.8, 1.1' (O. Miyazaki, 0.32-m Newtonian);
    06.82, 11.8, 1.1' (O. Miyazaki, 0.32-m Newtonian);
    16.29, 11.5, 2' (J. de Souza Aguiar, 0.3-m Newtonian);
    17.29, 11.4, 2' (J. de Souza Aguiar, 0.3-m Newtonian);
    17.83, 11.5, 1.5' (O. Miyazaki, 0.32-m Newtonian);
    21.51, 11.0, 5.2' (C. Hergenrother, 0.072-m Refractor + CCD; 0.2 tail in p.a. 290 deg);
    21.82, 11.4, 1.2' (O. Miyazaki, 0.32-m Newtonian);
    24.83, 11.5, 1.8' (O. Miyazaki, 0.32-m Newtonian);
    25.17, 11.2, 5.5' (M. Jager, 0.305-m Schmidt-Cassegrain; 40 tail);
    26.82, 11.7, 1.2' (O. Miyazaki, 0.32-m Newtonian);


95P/Chiron
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
nov 01.84, 18.3, 0.38' (K. Hills, 0.5-m Newtonian + CCD);


107P/Wilson-Harrington
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
oct 30.17, 18.1, 0.38' (K. Hills, 0.5-m Newtonian + CCD);
nov 18.16, [13.0, -- (M. Deconinck, Artignosc-sur-Verdon, Provence, France, 0.25-m Cassegrain reflector);
    26.02, 17.4, 0.6' (P. Dekelver, 0.3-m Newtonian + CCD);


117P/Helin-Roman-Alu
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
nov 23.43, 14.7, 0.6' (C. Wyatt, 0.4-m Newtonian);


118P/Shoemaker-Levy
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
oct 28.73, 13.2, 1.5' (K. Harikae, 0.15-m Newtonian + CCD);
    31.16, 12.7, 5.6' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.07 tail in p.a. 278 deg);
nov 02.11, 15.8, 0.56' (K. Hills, 0.5-m Newtonian + CCD);
    02.72, 14.0, 1.1' (K. Harikae, 0.15-m Newtonian + CCD);
    04.76, 14.1, 1.3' (K. Yoshimoto, 0.203-m Ritchey-Chretien + CCD; 2' tail in p.a. 285 deg);
    05.09, 12.0, 7.4' (T. Lehmann, Hakos (remote), 0.2-m Newtonian + CCD; 0.07 tail in p.a. 284 deg);
    05.16, 14.3, 5.3' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    09.45, 15.2, 0.2' (D. Heggie, mayhill, 0.15-m Refractor + CCD; 0.6' tail in p.a. 287 deg);
    11.12, 13.9, 1.5' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    21.50, 12.6, 3' (C. Hergenrother, 0.072-m Refractor + CCD; 1.8' tail in p.a. 275 deg);
    25.66, 14.0, 1.1' (C. Wyatt, 0.4-m Newtonian);
    26.06, 14.8, -- (G. van Buitenen, Dordrecht, NL (G06), 0.203-m Ritchey-Chretien + CCD);
    26.07, 13.9, 2.8' (P. Dekelver, 0.3-m Newtonian + CCD; 3.8' tail in p.a. 288 deg);


119P/Parker-Hartley
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
nov 02.16, 14.2, 3' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.12 tail in p.a. 275 deg);
    03.20, 16.3, 0.38' (K. Hills, 0.5-m Newtonian + CCD);
    04.81, 15.3, 0.7' (K. Yoshimoto, 0.203-m Ritchey-Chretien + CCD; 3.5' tail in p.a. 280 deg);
    05.14, 15.3, 1.3' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    11.10, 14.9, 1.5' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    25.67, 15.1, 0.3' (C. Wyatt, 0.4-m Newtonian);
    26.00, 15.7, -- (G. van Buitenen, Dordrecht, NL (G06), 0.203-m Ritchey-Chretien + CCD);


121P/Shoemaker-Holt
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
oct 31.00, 20.8, -- (D. De Martin, Nerpio, Spain (remotely controlled), 0.51-m Prime focus of a reflector + CCD);


127P/Holt-Olmstead
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
oct 31.88, 18.1, 0.24' (S. Shurpakov, 0.41-m Newtonian + CCD);
nov 02.20, 17.4, 0.4' (P. Dekelver, 0.3-m Newtonian + CCD);
    13.83, 17.1, 0.8' (P. Dekelver, 0.3-m Newtonian + CCD);
    25.91, 18.0, 0.4' (P. Dekelver, 0.3-m Newtonian + CCD);


157P/Tritton
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
nov 03.24, 19.2, 0.38' (K. Hills, 0.5-m Newtonian + CCD);


174P/Echeclus
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
oct 30.13, 20.6, 0.38' (K. Hills, 0.5-m Newtonian + CCD);


176P/LINEAR
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
oct 30.92, 19.1, 0.38' (K. Hills, 0.5-m Newtonian + CCD);


179P/Jedicke
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
nov 03.14, 19.2, 0.38' (K. Hills, 0.5-m Newtonian + CCD);


196P/Tichy
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
oct 31.85, 18.7, 0.14' (S. Shurpakov, 0.41-m Newtonian + CCD);
nov 13.81, 19.1, 0.3' (P. Dekelver, 0.3-m Newtonian + CCD);


204P/LINEAR-NEAT
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
oct 30.19, 18.4, 0.38' (K. Hills, 0.5-m Newtonian + CCD);


286P/Christensen
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
oct 30.86, 19.8, 0.38' (K. Hills, 0.5-m Newtonian + CCD);


402P/LINEAR
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
nov 14.11, 17.1, 0.8' (P. Dekelver, 0.3-m Newtonian + CCD);


C/2017 K2 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
oct 29.76, 8.3, 11' (T. Lehmann, Hakos (remote), 0.2-m Newtonian + CCD; 0.62 tail in p.a. 29 deg);
    29.77, 8.6, 7.2' (T. Lehmann, Hakos (remote), 0.2-m Newtonian + CCD; 0.62 tail in p.a. 28 deg);
nov 01.77, 8.3, 12' (T. Lehmann, Hakos (remote), 0.2-m Newtonian + CCD; 0.51 tail in p.a. 28 deg);
    04.90, 8.8, 3' (J. de Souza Aguiar, 25x100 Binoculars);
    05.90, 8.8, 2' (J. de Souza Aguiar, 25x100 Binoculars);
    06.91, 8.8, 2' (J. de Souza Aguiar, 25x100 Binoculars);
    07.91, 8.6, 2' (J. de Souza Aguiar, 25x100 Binoculars);
    08.92, 8.6, 2' (J. de Souza Aguiar, 25x100 Binoculars);
    09.92, 8.5, 2' (J. de Souza Aguiar, 25x100 Binoculars);
    10.77, 8.2, 11' (T. Lehmann, Hakos (remote), 0.2-m Newtonian + CCD; 0.4 tail in p.a. 27 deg);
    10.93, 8.6, 2' (J. de Souza Aguiar, 25x100 Binoculars);
    11.43, 8.3, 4' (M. Mattiazzo, Swan Hill, Victoria, 25x100 Binoculars);
    11.77, 8.2, 9.9' (T. Lehmann, Hakos (remote), 0.2-m Newtonian + CCD; 0.44 tail in p.a. 24 deg);
    12.93, 8.6, 3' (J. de Souza Aguiar, 25x100 Binoculars);
    15.93, 8.7, 3' (J. de Souza Aguiar, 25x100 Binoculars);
    16.93, 8.7, 2' (J. de Souza Aguiar, 25x100 Binoculars);
    18.42, 8.3, 4.3' (C. Wyatt, 0.25-m Newtonian; 10.5' tail in p.a. 21 deg);
    23.38, 9.0, 2' (J. Drummond, Gisborne, New Zealand, 0.41-m Newtonian);
    23.42, 8.3, 3.6' (C. Wyatt, 0.4-m Newtonian; 10.5' tail in p.a. 27 deg);


C/2019 F1 (ATLAS-Africano)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
nov 18.52, 16.9, 0.4' (K. Yoshimoto, 0.203-m Ritchey-Chretien + CCD);


C/2019 L3 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
oct 28.70, 11.1, 2.5' (C. Wyatt, 0.4-m Newtonian);
    28.74, 11.9, 2' (K. Harikae, 0.15-m Newtonian + CCD; 2' tail in p.a. 260 deg);
    28.82, 11.6, 1.1' (O. Miyazaki, 0.32-m Newtonian);
    29.71, 11.3, 2' (C. Wyatt, 0.4-m Newtonian);
    29.73, 12.0, 1.7' (K. Harikae, 0.15-m Newtonian + CCD; 2' tail in p.a. 258 deg);
    29.82, 11.5, 0.9' (O. Miyazaki, 0.32-m Newtonian);
    30.26, 11.2, 3.95' (K. Hills, 0.5-m Newtonian + CCD);
    30.82, 11.5, 1.6' (O. Miyazaki, 0.32-m Newtonian);
nov 02.73, 11.3, 2.2' (K. Harikae, 0.15-m Newtonian + CCD);
    04.28, 11.5, 2' (J. de Souza Aguiar, 0.3-m Newtonian);
    05.10, 10.9, 6.6' (T. Lehmann, Hakos (remote), 0.2-m Newtonian + CCD; 0.4 tail in p.a. 307 deg);
    05.23, 11.0, 4.5' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    05.30, 11.4, 1' (J. de Souza Aguiar, 0.3-m Newtonian);
    05.80, 11.5, 1.2' (O. Miyazaki, 0.32-m Newtonian);
    06.81, 11.2, 1.3' (O. Miyazaki, 0.32-m Newtonian);
    14.20, 11.3, 2.4' (P. Dekelver, 0.3-m Newtonian + CCD; 4.7' tail in p.a. 314 deg);
    16.28, 11.2, 1' (J. de Souza Aguiar, 0.3-m Newtonian);
    16.81, 11.0, 1.2' (O. Miyazaki, 0.32-m Newtonian);
    17.28, 11.2, 1' (J. de Souza Aguiar, 0.3-m Newtonian);
    17.81, 11.5, 1.1' (O. Miyazaki, 0.32-m Newtonian);
    18.51, 13.2, 0.4' (D. Heggie, mayhill, 0.15-m Refractor + CCD);
    20.25, 11.1, 1' (J. de Souza Aguiar, 0.3-m Newtonian);
    21.49, 10.9, 1.5' (D. Heggie, mayhill, 0.15-m Refractor + CCD; 9' tail in p.a. 314 deg);
    21.80, 10.9, 1.4' (O. Miyazaki, 0.32-m Newtonian);
    24.82, 11.5, 1.3' (O. Miyazaki, 0.32-m Newtonian);
    25.66, 11.2, 2.4' (C. Wyatt, 0.4-m Newtonian);
    26.81, 11.8, 1.1' (O. Miyazaki, 0.32-m Newtonian);


C/2019 O3
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
nov 05.87, 17.4, 0.4' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD);


C/2019 U5 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
nov 26.18, 13.1, 3.2' (P. Dekelver, 0.3-m Newtonian + CCD; 4' tail in p.a. 36 deg);


C/2020 F5 (MASTER)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
oct 30.77, 17.0, 0.7' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD);
    30.90, 17.4, 0.38' (K. Hills, 0.5-m Newtonian + CCD);
    31.80, 16.5, 0.24' (S. Shurpakov, 0.41-m Newtonian + CCD; 0.9' tail in p.a. 173 deg);
nov 01.85, 16.8, 0.7' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.06 tail in p.a. 184 deg);
    19.79, 16.8, 1.2' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 1.6' tail in p.a. 182 deg);


C/2020 H6 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
oct 31.73, 16.7, 0.34' (S. Shurpakov, 0.41-m Newtonian + CCD);
nov 01.78, 16.1, 0.8' (P. Dekelver, 0.3-m Newtonian + CCD);
    01.82, 17.7, 0.38' (K. Hills, 0.5-m Newtonian + CCD);


C/2020 K1 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
nov 12.77, 13.4, 1.4' (T. Lehmann, Hakos (remote), 0.2-m Newtonian + CCD; 1.3' tail in p.a. 17 deg);


C/2020 O2 (Amaral)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
oct 31.77, 18.1, 0.19' (S. Shurpakov, 0.41-m Newtonian + CCD);


C/2020 S4 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
oct 30.21, 17.2, 0.38' (K. Hills, 0.5-m Newtonian + CCD);
nov 02.18, 16.1, 0.8' (P. Dekelver, 0.3-m Newtonian + CCD; 0.7' tail in p.a. 272 deg);
    05.19, 16.9, 0.4' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    14.07, 16.2, 0.8' (P. Dekelver, 0.3-m Newtonian + CCD; 1.6' tail in p.a. 273 deg);
    26.05, 15.7, 1.6' (P. Dekelver, 0.3-m Newtonian + CCD; 1.7' tail in p.a. 276 deg);


C/2020 U4 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
nov 13.92, 17.6, 0.6' (P. Dekelver, 0.3-m Newtonian + CCD);


C/2020 U5 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
oct 30.82, 19.4, 0.38' (K. Hills, 0.5-m Newtonian + CCD);
nov 01.76, 16.7, 0.6' (P. Dekelver, 0.3-m Newtonian + CCD);


C/2020 V2 (ZTF)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
oct 28.72, 11.1, 1.1' (M. Kwinta, 0.3-m Newtonian);
    28.73, 11.7, 1.9' (K. Harikae, 0.15-m Newtonian + CCD);
    28.81, 11.3, 1.2' (O. Miyazaki, 0.32-m Newtonian);
    28.83, 11.5, 1' (M. Filipek, 0.4-m Newtonian);
    29.73, 11.8, 1.9' (K. Harikae, 0.15-m Newtonian + CCD);
    29.79, 11.4, 1.3' (O. Miyazaki, 0.32-m Newtonian);
    30.18, 11.0, 1.8' (M. Collins, Everton, 0.254-m Schmidt-Cassegrain);
    30.22, 11.6, 2.26' (K. Hills, 0.5-m Newtonian + CCD);
    30.74, 11.3, 3' (H. Kiiskinen, 0.4-m Ritchey-Chretien + CCD; 2.2' tail in p.a. 141 deg);
    30.79, 12.0, 1.3' (O. Miyazaki, 0.32-m Newtonian);
    31.19, 11.0, 7.2' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.06 tail in p.a. 140 deg);
    31.72, 11.1, 1.3' (M. Kwinta, 0.3-m Newtonian);
    31.79, 11.7, 1.4' (O. Miyazaki, 0.32-m Newtonian);
    31.86, 10.9, 1.2' (T. Karhula, Virsbo, 25x100 Binoculars);
    31.94, 11.1, 1.5' (M. Filipek, 0.25-m Newtonian);
nov 01.04, 12.4, 1' (S. Shurpakov, 0.41-m Newtonian + CCD; 1.6' tail in p.a. 139 deg);
    01.21, 11.2, 4' (P. Dekelver, 0.3-m Newtonian + CCD; 5' tail in p.a. 139 deg);
    01.81, 10.9, 8.9' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.05 tail in p.a. 135 deg);
    01.91, 10.7, 1.6' (C. Harder, Jeersdorf f, 0.298-m Newtonian; 2' tail in p.a. 140 deg);
    02.06, 11.0, 10' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 1.6' tail in p.a. 138 deg);
    02.13, 10.4, 2.2' (M. Collins, Everton, 0.254-m Schmidt-Cassegrain);
    02.16, 11.2, 4' (P. Dekelver, 0.3-m Newtonian + CCD; 5.1' tail in p.a. 135 deg);
    02.73, 11.8, 1.8' (K. Harikae, 0.15-m Newtonian + CCD);
    02.82, 11.6, 1.1' (O. Miyazaki, 0.32-m Newtonian);
    03.11, 10.9, 1.3' (M. Kwinta, 0.3-m Newtonian);
    05.12, 11.2, 1.7' (C. Harder, Jeersdorf h, 0.298-m Newtonian);
    05.21, 10.9, 7.9' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    05.79, 11.6, 1.2' (O. Miyazaki, 0.32-m Newtonian);
    06.80, 11.3, 1.3' (O. Miyazaki, 0.32-m Newtonian);
    08.73, 11.2, 2.5' (P. Lívanec, 0.102-m Refractor + CCD);
    11.14, 10.9, 5.3' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    11.80, 11.4, 2' (H. Kiiskinen, 0.4-m Ritchey-Chretien + CCD);
    12.72, 11.0, 1.2' (M. Kwinta, 0.3-m Newtonian);
    12.72, 10.5, 2.5' (C. Harder, Jeersdorf f, 0.252-m Newtonian);
    13.99, 10.9, 4' (P. Dekelver, 0.3-m Newtonian + CCD; 6.3' tail in p.a. 150 deg);
    14.72, 10.6, 1.5' (U. Pilz, 0.32-m Newtonian);
    14.73, 10.9, 1.6' (C. Harder, Jeersdorf f, 0.531-m Newtonian; 2.2' tail in p.a. 150 deg);
    14.78, 10.6, 8.5' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.05 tail in p.a. 147 deg);
    14.89, 11.5, 1.1' (D. Heggie, edinburgh, 0.13-m Newtonian + CCD; 1.2' tail in p.a. 148 deg);
    16.79, 10.8, 1.4' (O. Miyazaki, 0.32-m Newtonian);
    17.80, 11.3, 1' (O. Miyazaki, 0.32-m Newtonian);
    18.77, 10.5, 1.4' (C. Harder, Jeersdorf f, 0.353-m Newtonian);
    18.82, 10.2, 4' (J. Gonzalez Suarez, 0.203-m Schmidt-Cassegrain);
    19.96, 10.6, 5' (M. Filipek, 0.4-m Newtonian);
    20.03, 10.4, 13' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.07 tail in p.a. 148 deg);
    20.04, 10.8, 3' (C. Labordena, La Serra d Engarcera, 0.2-m Schmidt-Cassegrain);
    20.11, 10.3, 2.5' (J. Chambo, Valles, Valencia, Spain, 0.2-m Newtonian + CCD; 5.6' tail in p.a. 150 deg);
    20.88, 10.5, 2.2' (M. Collins, Everton, 0.254-m Schmidt-Cassegrain);
    20.90, 11.3, 1' (D. Heggie, edinburgh, 0.13-m Newtonian + CCD; 2.8' tail in p.a. 154 deg);
    21.06, 11.0, 1.8' (M. Kwinta, 0.3-m Newtonian);
    21.48, 10.5, 3' (C. Hergenrother, 30x125.0 Binoculars);
    21.52, 10.3, 10.9' (C. Hergenrother, 0.072-m Refractor + CCD; 6.9' tail in p.a. 150 deg);
    21.77, 10.8, 1.5' (C. Harder, Jeersdorf f, 0.298-m Newtonian);
    21.79, 11.4, 1.6' (O. Miyazaki, 0.32-m Newtonian);
    22.09, 10.8, 2' (M. Kwinta, 0.3-m Newtonian);
    22.20, 10.4, 8' (P. Dekelver, 0.3-m Newtonian + CCD; 6.7' tail in p.a. 153 deg);
    22.89, 10.8, 2.1' (D. Swan, Tynemouth, UK, 0.2-m Schmidt-Cassegrain + CCD);
    22.96, 10.1, 2.3' (M. Collins, Everton, 0.254-m Schmidt-Cassegrain);
    23.76, 10.6, 2.5' (C. Harder, Jeersdorf f, 0.298-m Newtonian);
    24.17, 9.4, 2.9' (M. Collins, Everton, 0.254-m Schmidt-Cassegrain);
    24.80, 11.5, 1.6' (O. Miyazaki, 0.32-m Newtonian);
    24.83, 10.2, 2.5' (C. Harder, Jeersdorf f, 0.353-m Newtonian);
    24.95, 10.2, 2.6' (M. Collins, Everton, 0.254-m Schmidt-Cassegrain);
    25.76, 10.5, 2.5' (T. Csorgei, Blahová, 0.28-m Schmidt-Cassegrain);
    25.92, 10.5, 2.2' (C. Harder, Jeersdorf h, 0.298-m Newtonian);
    25.93, 10.7, 1.5' (A. Scholten, Eerbeek, 0.356-m Schmidt-Cassegrain);
    25.97, 10.5, 2.5' (G. van Buitenen, Dordrecht, NL (G06), 0.203-m Ritchey-Chretien + CCD);
    26.15, 10.7, 6' (P. Dekelver, 0.3-m Newtonian + CCD; 6.4' tail in p.a. 154 deg);
    26.80, 11.1, 1.8' (O. Miyazaki, 0.32-m Newtonian);


C/2020 Y2 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
oct 28.67, 14.8, 0.6' (C. Wyatt, 0.4-m Newtonian);
    29.69, 14.8, 0.7' (C. Wyatt, 0.4-m Newtonian);
nov 23.53, 15.0, 0.5' (C. Wyatt, 0.4-m Newtonian);
    25.62, 14.9, 0.8' (C. Wyatt, 0.4-m Newtonian);


C/2021 E3 (ZTF)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
oct 28.69, 14.4, 0.6' (C. Wyatt, 0.4-m Newtonian);
    29.70, 14.6, 0.5' (C. Wyatt, 0.4-m Newtonian);
nov 05.12, 13.5, 2.6' (T. Lehmann, Hakos (remote), 0.2-m Newtonian + CCD; 1.3' tail in p.a. 169 deg);


C/2021 QM45 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
oct 30.98, 17.7, 0.2' (M. Jager, 0.406-m Schmidt-Cassegrain; 3.7 tail);


C/2021 S3 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
nov 03.18, 16.6, 0.38' (K. Hills, 0.5-m Newtonian + CCD);


C/2021 T4 (Lemmon)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
oct 29.66, 15.3, 0.5' (C. Wyatt, 0.4-m Newtonian);
    29.69, 15.4, 0.4' (K. Yoshimoto, 0.203-m Ritchey-Chretien + CCD; 0.5' tail in p.a. 60 deg);
    31.02, 15.5, 1.1' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.4' tail in p.a. 56 deg);
    31.97, 16.2, 0.24' (S. Shurpakov, 0.41-m Newtonian + CCD);
nov 01.98, 15.4, 1.2' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.5' tail in p.a. 67 deg);
    10.80, 15.5, 0.9' (T. Lehmann, Hakos (remote), 0.2-m Newtonian + CCD; 1.3' tail in p.a. 56 deg);
    11.01, 15.6, 0.6' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    14.93, 15.5, 1' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.8' tail in p.a. 71 deg);
    19.87, 15.7, 1' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.4' tail in p.a. 90 deg);
    19.93, 13.7, 0.6' (J. Chambo, Valles, Valencia, Spain, 0.2-m Newtonian + CCD; 1.1' tail in p.a. 51 deg);
    23.45, 14.5, 0.7' (C. Wyatt, 0.4-m Newtonian);


C/2021 X1 (Maury-Attard)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
oct 29.64, 14.5, 0.4' (C. Wyatt, 0.4-m Newtonian);
nov 05.08, 14.8, 1' (T. Lehmann, Hakos (remote), 0.2-m Newtonian + CCD; 0.7' tail in p.a. 71 deg);
    05.10, 15.6, 0.4' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    11.08, 15.5, 0.4' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    23.49, 14.6, 0.6' (C. Wyatt, 0.4-m Newtonian);
    25.63, 14.5, 0.8' (C. Wyatt, 0.4-m Newtonian);


C/2021 Y1 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
nov 02.22, 15.0, 0.8' (P. Dekelver, 0.3-m Newtonian + CCD; 0.4' tail in p.a. 299 deg);
    03.92, 15.5, 0.2' (D. Heggie, edinburgh, 0.135-m Newtonian + CCD);
    13.97, 14.9, 1.6' (P. Dekelver, 0.3-m Newtonian + CCD);
    19.88, 14.6, 1.3' (M. Lošťák, 0.2-m Newtonian + CCD);
    19.99, 14.4, 1.5' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.04 tail in p.a. 326 deg);
    23.50, 13.6, 0.5' (C. Wyatt, 0.4-m Newtonian);
    25.64, 14.7, 0.4' (C. Wyatt, 0.4-m Newtonian);
    25.86, 14.1, -- (G. van Buitenen, Dordrecht, NL (G06), 0.203-m Ritchey-Chretien + CCD; 1.3' tail in p.a. 328 deg);


C/2022 A2 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
nov 14.22, 12.4, 3.2' (P. Dekelver, 0.3-m Newtonian + CCD);
    25.18, 11.4, 9' (M. Jager, 0.305-m Schmidt-Cassegrain; 15 tail);
    26.17, 12.3, 2' (P. Dekelver, 0.3-m Newtonian + CCD);


C/2022 E2 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
nov 03.26, 17.6, 0.38' (K. Hills, 0.5-m Newtonian + CCD);


C/2022 E3 (ZTF)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
oct 28.38, 10.8, 1.1' (O. Miyazaki, 0.32-m Newtonian);
    28.73, 10.9, 3.1' (E. Demenčík, 0.45-m Newtonian + CCD; 8.3' tail in p.a. 87 deg);
    28.73, 11.1, 1' (M. Kwinta, 0.3-m Newtonian);
    28.78, 10.9, 1' (M. Filipek, 0.4-m Newtonian);
    28.79, 10.4, 6.5' (M. Jager, 0.406-m Schmidt-Cassegrain; 20 tail);
    28.81, 11.0, 0.8' (C. Harder, Majada Blanca / Fuerteventura, 0.252-m Newtonian; 2.5' tail in p.a. 65 deg);
    29.41, 11.1, 2' (K. Yoshimoto, 0.203-m Ritchey-Chretien + CCD; 4' tail in p.a. 80 deg);
    30.38, 10.5, 1.1' (O. Miyazaki, 0.32-m Newtonian);
    30.71, 10.4, 3.1' (E. Demenčík, 0.45-m Newtonian + CCD; 7.3' tail in p.a. 86 deg);
    30.73, 10.1, 3.5' (H. Kiiskinen, 0.4-m Ritchey-Chretien + CCD; 4' tail in p.a. 76 deg);
    30.73, 9.9, 12' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.15 tail in p.a. 89 deg);
    31.38, 10.7, 1.1' (O. Miyazaki, 0.32-m Newtonian);
    31.69, 11.8, 0.48' (S. Shurpakov, 0.41-m Newtonian + CCD; 4.2' tail in p.a. 59 deg);
    31.73, 11.2, 1.1' (M. Kwinta, 0.3-m Newtonian);
    31.73, 10.0, 3.5' (T. Karhula, Virsbo, 25x100 Binoculars);
    31.74, 10.3, 3' (P. Guzik, 25x100 Binoculars);
nov 01.72, 9.9, 8.2' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.14 tail in p.a. 87 deg);
    01.73, 9.9, 9.5' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.19 tail in p.a. 78 deg);
    01.79, 9.8, 2.5' (M. Collins, Everton, 0.254-m Schmidt-Cassegrain);
    02.38, 11.2, 1.1' (O. Miyazaki, 0.32-m Newtonian);
    03.38, 11.0, 1.5' (O. Miyazaki, 0.32-m Newtonian);
    03.70, 10.2, 3.5' (E. Demenčík, 0.45-m Newtonian + CCD; 8.4' tail in p.a. 85 deg);
    03.78, 9.3, 2.1' (M. Collins, Everton, 0.254-m Schmidt-Cassegrain);
    08.70, 9.9, 3.3' (E. Demenčík, 0.45-m Newtonian + CCD; 6.6' tail in p.a. 81 deg);
    08.72, 10.8, 3.2' (P. Lívanec, 0.102-m Refractor + CCD; 6.3' tail in p.a. 70 deg);
    10.72, 10.6, 2' (G. Scheerle, 0.235-m Schmidt-Cassegrain);
    11.38, 10.5, 1.6' (O. Miyazaki, 0.32-m Newtonian);
    12.37, 10.7, 1.2' (O. Miyazaki, 0.32-m Newtonian);
    12.71, 10.8, 1.5' (M. Kwinta, 0.3-m Newtonian);
    12.72, 9.8, 1.8' (C. Harder, Jeersdorf f, 0.252-m Newtonian; 6.5' tail in p.a. 60 deg);
    12.75, 9.9, 3' (A. Scholten, Eerbeek, 0.356-m Schmidt-Cassegrain);
    13.71, 9.5, 11' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.12 tail in p.a. 84 deg);
    13.72, 10.2, 4' (G. Scheerle, 0.235-m Schmidt-Cassegrain);
    13.77, 10.6, 1.6' (W. Kutschera, 0.25-m Newtonian);
    13.85, 9.6, 6.5' (M. Jager, 0.406-m Schmidt-Cassegrain; 20 tail);
    14.72, 9.5, 1' (U. Pilz, 0.32-m Newtonian; 0.05 tail in p.a. 210 deg);
    14.72, 9.4, 12' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.22 tail in p.a. 76 deg);
    14.72, 9.7, 1.5' (C. Harder, Jeersdorf f, 0.531-m Newtonian; 6.5' tail in p.a. 50 deg);
    16.36, 10.5, 1.4' (O. Miyazaki, 0.32-m Newtonian);
    16.74, 9.7, 2' (A. Scholten, Eerbeek, 0.2-m Newtonian);
    18.80, 9.6, 3' (J. Gonzalez Suarez, 0.203-m Schmidt-Cassegrain);
    19.58, 9.5, -- (N. Novikov, Russia, d. Enaberdino, 0.153-m Newtonian);
    19.75, 9.3, 11' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.08 tail in p.a. 66 deg);
    19.75, 9.5, 3' (A. Scholten, Eerbeek, 0.356-m Schmidt-Cassegrain);
    20.78, 9.7, 2.6' (M. Collins, Everton, 0.254-m Schmidt-Cassegrain);
    21.75, 10.2, 2' (C. Harder, Jeersdorf f, 0.298-m Newtonian);
    23.75, 9.2, 2.8' (C. Harder, Jeersdorf f, 0.298-m Newtonian; 6' tail in p.a. 50 deg);
    24.77, 9.3, 1.4' (W. Kutschera, 0.08-m Refractor);
    24.85, 10.3, 1.8' (O. Miyazaki, 0.32-m Newtonian);
    25.74, 9.4, 2' (A. Scholten, Eerbeek, 0.356-m Schmidt-Cassegrain);
    26.85, 10.0, 2.9' (O. Miyazaki, 0.32-m Newtonian);


C/2022 L2 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
oct 31.82, 18.4, 0.38' (K. Hills, 0.5-m Newtonian + CCD);
nov 01.73, 17.5, 0.4' (P. Dekelver, 0.3-m Newtonian + CCD);
    01.76, 18.0, 0.4' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD);
    14.75, 17.9, 0.4' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD);
    19.77, 16.6, -- (J. Chambo, Valles, Valencia, Spain, 0.2-m Newtonian + CCD);


C/2022 P1 (NEOWISE)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
oct 29.44, 12.3, 2.3' (K. Yoshimoto, 0.203-m Ritchey-Chretien + CCD);
nov 04.91, 10.1, 3' (J. de Souza Aguiar, 0.3-m Newtonian);
    05.94, 10.1, 3' (J. de Souza Aguiar, 0.3-m Newtonian);
    08.94, 10.3, 2' (J. de Souza Aguiar, 0.3-m Newtonian);
    10.78, 9.9, 13' (T. Lehmann, Hakos (remote), 0.2-m Newtonian + CCD; 1.5' tail in p.a. 86 deg);
    11.44, 9.7, 4' (M. Mattiazzo, Swan Hill, Victoria, 25x100 Binoculars);
    12.94, 10.4, 2' (J. de Souza Aguiar, 0.3-m Newtonian);
    16.94, 10.5, 2' (J. de Souza Aguiar, 0.3-m Newtonian);
    17.95, 10.6, 2' (J. de Souza Aguiar, 0.3-m Newtonian);
    18.43, 10.4, 4.6' (C. Wyatt, 0.25-m Newtonian);
    18.94, 10.6, 2' (J. de Souza Aguiar, 0.3-m Newtonian);
    23.42, 10.4, 5.6' (C. Wyatt, 0.4-m Newtonian);


C/2022 P3 (ZTF)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
nov 02.07, 18.7, 0.38' (K. Hills, 0.5-m Newtonian + CCD);
    05.16, 18.4, 0.38' (K. Hills, 0.5-m Newtonian + CCD);


C/2022 Q2 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
oct 30.84, 17.8, 0.38' (K. Hills, 0.5-m Newtonian + CCD);


C/2022 U1 (Leonard)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
oct 28.89, 19.8, 0.1' (M. Jager, 0.406-m Schmidt-Cassegrain);


C/2022 U2 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
oct 28.79, 16.5, 2.4' (M. Jager, 0.406-m Schmidt-Cassegrain);
    29.12, 17.4, 0.8' (K. Yoshimoto, 0.431-m Newtonian + CCD);
    30.79, 16.1, 3' (M. Jager, 0.406-m Schmidt-Cassegrain);
nov 01.82, 14.6, 3' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD);
    08.74, 17.6, 0.4' (E. Demenčík, 0.45-m Newtonian + CCD);
    13.78, 14.5, 3' (M. Jager, 0.406-m Schmidt-Cassegrain);
    17.78, 14.5, 3' (M. Jager, 0.355-m Schmidt-Cassegrain);
    18.43, 16.7, 0.4' (K. Yoshimoto, 0.203-m Ritchey-Chretien + CCD);
    21.08, 14.6, 1.8' (K. Yoshimoto, 0.25-m Hyperboloid astro-camera + CCD);
    25.76, 16.2, 0.7' (G. van Buitenen, Dordrecht, NL (G06), 0.203-m Ritchey-Chretien + CCD);


C/2022 U3 (Bok)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
nov 02.90, 19.8, 0.1' (M. Jager, 0.304-m Schmidt-Cassegrain; 0.1 tail);
    05.08, 19.5, 0.4' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD);


P/2021 N2 (Fuls)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
nov 03.15, 17.5, 0.38' (K. Hills, 0.5-m Newtonian + CCD);


P/2022 L3 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
oct 29.65, 14.9, 1' (K. Yoshimoto, 0.203-m Ritchey-Chretien + CCD; 13' tail in p.a. 225 deg);
    30.74, 14.8, 0.8' (H. Kiiskinen, 0.4-m Ritchey-Chretien + CCD; 0.8' tail in p.a. 230 deg);
    30.91, 13.8, 3.3' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.1 tail in p.a. 224 deg);
    31.00, 14.9, 0.7' (E. Demenčík, 0.45-m Newtonian + CCD; 6' tail in p.a. 230 deg);
nov 01.86, 13.7, 3.8' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.05 tail in p.a. 223 deg);
    01.96, 14.3, 1.9' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.18 tail in p.a. 225 deg);
    05.89, 15.9, 0.4' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    11.03, 15.5, 0.6' (P. Carson, Fregenal de la Sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    13.74, 15.0, -- (G. van Buitenen, Dordrecht, NL (G06), 0.203-m Ritchey-Chretien + CCD);
    13.75, 14.4, 2.1' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.06 tail in p.a. 219 deg);
    14.82, 14.1, 2.6' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 2.5' tail in p.a. 215 deg);
    14.95, 14.1, 3.1' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.16 tail in p.a. 216 deg);
    19.75, 14.7, 2.2' (M. Lošťák, 0.2-m Newtonian + CCD);
    19.82, 14.0, 4' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.08 tail in p.a. 220 deg);
    25.80, 14.8, 1.5' (G. van Buitenen, Dordrecht, NL (G06), 0.203-m Ritchey-Chretien + CCD);


P/2022 P2 (ZTF)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2022
oct 31.26, 19.2, 0.38' (K. Hills, 0.5-m Newtonian + CCD);