Comets Waiting for First Observation

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Updated on December 1, 2023

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

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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)

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Copyright(C) Seiichi Yoshida (comet@aerith.net). All rights reserved.