Comets Waiting for First Observation

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Updated on January 2, 2026

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.

  • P/2010 H2 ( Vales ) was fainter than 22 mag on 2025 Jan. 27 (Erwin Schwab).
  • P/2010 T2 ( PanSTARRS ) was fainter than 21.5 mag on 2023 Oct. 17 (Erwin Schwab).

2026 January 18 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)
407P/PanSTARRS-Fuls                 07 25 +26.3  18.0  23:34 (  0, 81)  23:34 (180, 29)
(248590) 2006 CS                    02 14 -64.9  18.6  18:42 (  2,-10)  20:56 ( 26, 52)
P/2004 V5 (LINEAR-Hill)             03 51 +29.1  19.0  20:00 (  0, 84)  20:56 (167, 24)
304P/Ory                            21 58 -14.1  19.2  18:42 ( 66,  9)  20:56 ( 72, -1)
379P/Spacewatch                     15 02 -13.1  20.0   5:38 (330, 37)   3:23 (262, 34)
P/2009 B1 (Boattini)                23 19 +16.9  20.0  18:42 ( 80, 44)  20:56 (109, -3)
186P/Garradd                        07 09 +46.3  20.2  23:18 (180, 79)  23:18 (180,  9)
340P/Boattini                       22 57 -05.0  20.3  18:42 ( 63, 26)  20:56 ( 88,  5)
P/2012 K3 (Gibbs)                   16 53 -12.6  20.4   5:38 (304, 22)   3:23 (278, 11)
412P/WISE                           04 16 +36.2  20.5  20:26 (180, 89)  20:56 (174, 18)
P/2017 B4 (PanSTARRS)               10 35 +21.3  20.5   2:47 (  0, 76)   2:47 (180, 34)
82P/Gehrels 3                       02 57 +16.8  20.6  19:06 (  0, 72)  20:56 (149, 32)
P/2005 S2 (Skiff)                   21 29 -13.9  20.6  18:42 ( 71,  3)  20:56 ( 68, -7)
245P/WISE                           17 30 -38.1  20.7   5:38 (317, -2)   3:23 (305, 18)
139P/Vaisala-Oterma                 21 23 -13.3  20.7  18:42 ( 72,  3)  20:56 ( 67, -9)
373P/Rinner                         00 18 +08.0  20.7  18:42 ( 57, 49)  20:56 (110, 13)
P/2011 V1 (Boattini)                18 38 -26.6  20.7   5:38 (298, -6)   3:23 (304, -1)
P/2022 BV9 (Lemmon)                 13 07 -14.5  20.8   5:19 (  0, 40)   3:23 (239, 57)
187P/LINEAR                         10 42 +19.3  20.9   2:54 (  0, 74)   2:54 (180, 36)
317P/WISE                           20 24 -15.0  20.9  18:42 ( 79,-10)  20:56 ( 56,-18)
469P/PanSTARRS                      16 22 -07.7  21.0   5:38 (307, 30)   3:23 (269, 14)
246P/NEAT                           06 09 +32.2  21.1  22:19 (  0, 87)  22:19 (180, 23)
P/2010 H4 (Scotti)                  12 25 -00.6  21.1   4:36 (  0, 54)   3:23 (211, 52)
(944) Hidalgo                       16 43 -55.7  21.1   5:38 (334,-10)   3:23 (319, 32)
P/2011 N1 (ASH)                     19 57 -40.1  21.2   5:38 (302,-27)   3:23 (325, -3)
2010 RH69                           11 56 -04.9  21.2   4:08 (  0, 50)   3:23 (202, 58)
P/2011 P1 (McNaught)                15 34 -23.2  21.2   5:38 (328, 24)   3:23 (277, 32)
P/2012 O1 (McNaught)                23 40 -08.4  21.3  18:42 ( 52, 31)  20:56 ( 91, 16)
P/2023 B3 (PanSTARRS)               15 54 -11.9  21.3   5:38 (316, 31)   3:23 (269, 23)
P/2015 X6 (PanSTARRS)               11 15 +09.6  21.3   3:27 (  0, 64)   3:23 (182, 46)
P/2010 C1 (Scotti)                  03 52 +10.3  21.3  20:01 (  0, 65)  20:56 (161, 43)
231P/LINEAR-NEAT                    04 44 +10.3  21.3  20:53 (  0, 65)  20:56 (179, 45)
P/2017 FL36 (PanSTARRS)             03 41 +36.9  21.4  19:51 (180, 88)  20:56 (166, 16)
P/2010 D2 (WISE)                    21 52 +21.5  21.4  18:42 ( 98, 28)  20:56 (101,-23)
P/2010 T2 (PanSTARRS)               09 47 +23.5  21.5   1:59 (  0, 78)   1:59 (180, 32)
2018 BJ11                           05 53 +27.8  21.5  22:03 (  0, 83)  22:03 (180, 27)
P/2005 T3 (Read)                    00 44 +03.8  21.5  18:42 ( 45, 50)  20:56 (111, 21)
P/2021 A5 (PanSTARRS)               23 25 +08.8  21.6  18:42 ( 70, 40)  20:56 (103,  3)
198P/ODAS                           04 37 +24.3  21.6  20:46 (  0, 79)  20:56 (177, 31)
P/2017 U3 (PanSTARRS)               21 02 -10.4  21.7  18:42 ( 77,  0)  20:56 ( 66,-15)
489P/Denning                        12 58 -01.9  21.7   5:10 (  0, 53)   3:23 (223, 49)
P/2019 S3 (PanSTARRS)               23 37 -08.2  21.8  18:42 ( 52, 31)  20:56 ( 91, 15)
324P/La Sagra                       18 13 -25.1  21.9   5:38 (301, -1)   3:23 (299,  3)
2019 OE31                           13 50 -08.5  21.9   5:38 (351, 46)   3:23 (244, 45)
316P/LONEOS-Christensen             09 33 +01.8  22.1   1:45 (  0, 57)   1:45 (180, 53)
P/2019 A4 (PanSTARRS)               22 08 -18.4  22.1  18:42 ( 61,  8)  20:56 ( 70,  3)
249P/LINEAR                         06 31 +15.5  22.1  22:39 (  0, 71)  22:39 (180, 39)
P/1999 RO28 (LONEOS)                02 37 +04.7  22.3  18:48 (  0, 60)  20:56 (136, 40)
P/2005 E1 (Tubbiolo)                17 18 -26.8  22.3   5:38 (310,  7)   3:23 (293, 14)
P/2010 H2 (Vales)                   17 22 -24.6  22.3   5:38 (308,  8)   3:23 (292, 12)
311P/PanSTARRS                      19 12 -22.2  22.4   5:38 (290,-10)   3:23 (306, -9)
147P/Kushida-Muramatsu              14 00 -09.9  22.5   5:38 (348, 44)   3:23 (247, 44)
P/2000 R2 (LINEAR)                  22 51 -11.0  22.7  18:42 ( 59, 21)  20:56 ( 82,  7)
P/2016 G1 (PanSTARRS)               00 52 +03.0  22.9  18:42 ( 42, 51)  20:56 (112, 23)
366P/Spacewatch                     21 04 -23.2  23.2  18:42 ( 67, -7)  20:56 ( 57, -6)
P/2015 R2 (PanSTARRS)               02 24 -01.1  23.2  18:42 (  4, 54)  20:56 (128, 42)
367P/Catalina                       21 11 -23.0  23.5  18:42 ( 66, -5)  20:56 ( 58, -5)
2008 BJ22                           18 49 -15.4  23.8   5:38 (288, -1)   3:23 (297,-10)

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