Comets Waiting for First Observation

Japanese version Home page

Updated on December 1, 2023

Please see also the Weekly Information about Bright Comets and Comet Catalog.

Bright periodic comets not yet observed in this return. 213P/Van Ness was fainter than 19 mag on 2023 Aug. 12 (Martin Masek), fainter than 18 mag on 2023 Oct. 14 (Martin Masek). P/2005 SB216 ( LONEOS ) was fainter than 21.5 mag on 2023 Oct. 16 (Erwin Schwab). P/2007 S1 ( Zhao ) was fainter than 22.0 mag on 2022 Sept. 7 (Erwin Schwab). P/2010 T2 ( PanSTARRS ) was fainter than 21.5 mag on 2023 Oct. 17 (Erwin Schwab). P/2010 WK ( LINEAR ) was fainter than 22 mag on 2023 Sept. 9 (Erwin Schwab). P/2013 YG46 ( Spacewatch ) was fainter than 21.5 mag on 2020 Oct. 28 (Erwin Schwab), fainter than 20.5 mag on 2021 Nov. 7 (Erwin Schwab). P/2014 A3 ( PanSTARRS ) was fainter than 22 mag on 2022 Aug. 23 (Erwin Schwab). 2023 December 12 at lat. 35 deg in the Northern/Sothern Hemisphere: Lat. 35 N deg Lat. 35 S deg Comet R.A. Decl. m1 Best Time(A, h) Best Time(A, h) 213P/Van Ness 20 38 -15.8 16.0 18:19 ( 49, 23) 20:53 ( 80, 14) P/2007 T2 (Kowalski) 20 31 -03.8 16.1 18:19 ( 59, 32) 20:53 ( 90, 5) P/2001 Q6 (NEAT) 23 07 -17.2 17.4 18:19 ( 10, 38) 20:53 (101, 44) P/2011 NO1 (Elenin) 08 52 +20.2 18.7 3:32 ( 0, 75) 2:53 (191, 34) 125P/Spacewatch 14 11 -08.4 18.9 5:27 (302, 25) 2:53 (277, 5) 339P/Gibbs 17 39 -19.7 19.1 18:19 ( 74,-11) 20:53 ( 50,-17) P/2004 DO29 (Spacewatch-LINEAR) 11 53 +05.1 19.3 5:27 (330, 56) 2:53 (244, 25) 79P/du Toit-Hartley 17 33 -23.7 19.4 18:19 ( 71,-15) 20:53 ( 46,-15) 234P/LINEAR 08 06 +05.7 19.5 2:46 ( 0, 61) 2:46 (180, 49) P/2005 SB216 (LONEOS) 23 06 -09.2 19.8 18:19 ( 12, 45) 20:53 (109, 40) P/2010 T2 (PanSTARRS) 01 36 +06.3 19.8 20:13 ( 0, 61) 20:53 (165, 48) 147P/Kushida-Muramatsu 05 25 +22.6 19.8 0:06 ( 0, 78) 0:06 (180, 32) P/2014 A3 (PanSTARRS) 08 54 +01.0 20.0 3:34 ( 0, 56) 2:53 (197, 53) 355P/LINEAR-NEAT 21 02 -26.1 20.0 18:19 ( 37, 19) 20:53 ( 74, 24) 349P/Lemmon 13 13 -10.3 20.0 5:27 (316, 33) 2:53 (270, 18) P/2010 WK (LINEAR) 21 06 -23.6 20.1 18:19 ( 38, 21) 20:53 ( 77, 23) P/2015 HG16 (PanSTARRS) 02 16 +08.6 20.2 20:53 ( 0, 64) 20:53 (180, 46) P/2005 E1 (Tubbiolo) 12 37 -05.7 20.3 5:27 (322, 42) 2:53 (261, 23) 345P/LINEAR 19 37 -20.3 20.3 18:19 ( 56, 10) 20:53 ( 68, 4) 208P/McMillan 18 28 -26.4 20.4 18:19 ( 62, -6) 20:53 ( 53, -4) 365P/PanSTARRS 14 55 -10.3 20.5 5:27 (296, 16) 2:53 (284, -2) P/2012 WA34 (Lemmon-PanSTARRS) 09 24 +19.1 20.6 4:04 ( 0, 74) 2:53 (200, 33) 2010 RH69 06 48 +08.6 20.6 1:29 ( 0, 64) 1:29 (180, 46) P/2007 S1 (Zhao) 09 11 +13.8 20.7 3:51 ( 0, 69) 2:53 (199, 39) P/2014 MG4 (Spacewatch-PanSTARRS) 14 18 -22.1 21.0 5:27 (311, 14) 2:53 (289, 11) P/2010 U1 (Boattini) 18 30 -23.4 21.0 18:19 ( 64, -4) 20:53 ( 56, -6) P/2012 T2 (PanSTARRS) 18 47 -28.5 21.2 18:19 ( 58, -4) 20:53 ( 55, 0) P/2003 QX29 (NEAT) 15 32 -24.5 21.3 5:27 (301, 0) 2:53 (301, -1) P/2019 A4 (PanSTARRS) 13 20 +02.4 21.3 5:27 (304, 42) 2:53 (260, 9) P/2005 S2 (Skiff) 18 60 -20.4 21.3 18:19 ( 62, 3) 20:53 ( 63, -3) 183P/Korlevic-Juric 00 41 +12.7 21.4 19:18 ( 0, 68) 20:53 (150, 37) P/2004 V5 (LINEAR-Hill) 01 23 +00.2 21.4 20:01 ( 0, 55) 20:53 (158, 53) 217P/LINEAR 15 39 -08.7 21.5 5:27 (287, 9) 2:53 (290,-12) 2018 BJ11 21 13 -17.7 21.8 18:19 ( 40, 27) 20:53 ( 83, 21) (3552) Don Quixote 10 36 +26.5 21.8 5:16 ( 0, 81) 2:53 (214, 20) 457P/Lemmon-PanSTARRS 14 47 -13.7 22.0 5:27 (300, 15) 2:53 (286, 1) P/2013 YG46 (Spacewatch) 01 41 +09.1 22.1 20:18 ( 0, 64) 20:53 (168, 45) 139P/Vaisala-Oterma 17 03 -22.3 22.4 5:27 (287,-16) 2:53 (315,-17) 331P/Gibbs 17 12 -18.0 23.0 5:27 (282,-15) 2:53 (313,-22) 2017 MC9 21 10 -29.3 23.4 18:19 ( 34, 17) 20:53 ( 72, 27) 214P/LINEAR 19 38 -31.1 24.4 18:19 ( 48, 3) 20:53 ( 59, 11) 2017 DJ 18 29 -11.1 24.6 18:19 ( 74, 3) 20:53 ( 65,-15) 322P/SOHO 14 56 -22.9 25.1 5:27 (305, 7) 2:53 (295, 5) D/1978 R1 (Haneda-Campos) 09 56 +18.3 25.6 4:36 ( 0, 73) 2:53 (209, 31)