Comets Waiting for First Observation

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Updated on November 25, 2025

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.

  • 407P/PanSTARRS-Fuls was observed on 2025 Nov. 14 at 20.6 mag by John Maikner, but not officially announced yet.
  • 489P/Denning was observed on 2025 Aug. 2 at 20.7 mag by John Maikner, but not officially confirmed yet.

  • 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).

2025 November 20 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)
P/2004 V5 (LINEAR-Hill)             04 18 +29.1  19.0   0:23 (  0, 84)   0:23 (180, 26)
407P/PanSTARRS-Fuls                 07 52 +22.9  19.2   3:57 (  0, 78)   3:03 (195, 31)
(248590) 2006 CS                    03 50 -61.5  19.5  23:49 (  0, -7)  23:49 (  0, 63)
340P/Boattini                       21 51 -11.1  19.6  18:20 (  9, 44)  20:28 (115, 48)
218P/LINEAR                         12 11 -02.0  19.6   5:11 (301, 33)   3:03 (265, 11)
P/1999 RO28 (LONEOS)                22 39 -25.5  19.8  18:43 (  0, 30)  20:28 (106, 65)
317P/WISE                           16 53 -23.5  19.8  18:20 ( 65, -6)  20:28 ( 58, -3)
P/2012 O1 (McNaught)                20 35 -25.7  20.0  18:20 ( 25, 25)  20:28 ( 84, 40)
P/2009 B1 (Boattini)                22 21 +15.1  20.0  18:24 (  0, 70)  20:28 (144, 32)
82P/Gehrels 3                       03 14 +18.2  20.3  23:15 (  0, 73)  23:15 (180, 37)
P/2005 S2 (Skiff)                   20 59 -16.0  20.4  18:20 ( 23, 36)  20:28 ( 99, 40)
186P/Garradd                        07 48 +45.5  20.5   3:53 (180, 80)   3:03 (189,  9)
139P/Vaisala-Oterma                 20 27 -17.0  20.6  18:20 ( 31, 32)  20:28 ( 93, 34)
379P/Spacewatch                     13 11 -07.4  20.6   5:11 (294, 19)   3:03 (278,  2)
P/2017 FL36 (PanSTARRS)             04 21 +43.6  20.8   0:27 (180, 81)   0:27 (180, 11)
469P/PanSTARRS                      14 50 -06.2  20.8   5:11 (278,  0)   3:03 (292,-18)
76P/West-Kohoutek-Ikemura           00 14 -40.6  21.0  20:15 (  0, 15)  20:28 ( 24, 84)
P/2021 A5 (PanSTARRS)               22 24 +02.1  21.1  18:26 (  0, 57)  20:28 (136, 43)
P/2022 BV9 (Lemmon)                 12 42 -10.2  21.1   5:11 (301, 22)   3:03 (276,  9)
(944) Hidalgo                       16 01 -53.3  21.1  18:20 ( 43,-29)  20:28 ( 29, 10)
P/2017 B4 (PanSTARRS)               10 05 +15.2  21.1   5:11 (323, 66)   3:03 (230, 23)
P/2012 K3 (Gibbs)                   15 06 -07.3  21.2   5:11 (276, -4)   3:03 (296,-21)
246P/NEAT                           06 45 +30.1  21.2   2:51 (  0, 85)   2:51 (180, 25)
373P/Rinner                         23 34 +08.8  21.2  19:36 (  0, 64)  20:28 (162, 44)
245P/WISE                           14 58 -32.7  21.2   5:11 (299,-17)   3:03 (313, -2)
P/2005 T3 (Read)                    00 37 +02.5  21.2  20:39 (  0, 58)  20:39 (180, 52)
P/2010 C1 (Scotti)                  04 12 +10.4  21.3   0:17 (  0, 65)   0:17 (180, 45)
P/2019 S3 (PanSTARRS)               21 20 -18.7  21.3  18:20 ( 16, 35)  20:28 (100, 46)
175P/Hergenrother                   08 21 +19.0  21.3   4:26 (  0, 74)   3:03 (203, 33)
412P/WISE                           05 14 +37.2  21.4   1:20 (180, 88)   1:20 (180, 18)
P/2011 N1 (ASH)                     18 57 -41.2  21.4  18:20 ( 35,  1)  20:28 ( 57, 28)
P/2010 D2 (WISE)                    21 22 +19.9  21.4  18:20 ( 43, 71)  20:28 (134, 20)
P/2011 P1 (McNaught)                15 03 -20.9  21.5   5:11 (288,-11)   3:03 (306,-11)
187P/LINEAR                         10 33 +16.9  21.5   5:11 (308, 63)   3:03 (234, 17)
P/2023 B3 (PanSTARRS)               15 05 -09.8  21.5   5:11 (278, -5)   3:03 (297,-19)
7P/Pons-Winnecke                    08 11 +27.3  21.5   4:16 (  0, 82)   3:03 (198, 25)
P/2017 U3 (PanSTARRS)               20 17 -11.5  21.5  18:20 ( 37, 36)  20:28 ( 97, 29)
P/2010 H4 (Scotti)                  12 01 +01.7  21.5   5:11 (300, 37)   3:03 (260, 11)
198P/ODAS                           07 18 +24.4  21.5   3:23 (  0, 79)   3:03 (185, 30)
P/2011 V1 (Boattini)                16 08 -22.8  21.6  18:20 ( 72,-15)  20:28 ( 51,-12)
2018 BJ11                           06 33 +27.6  21.6   2:38 (  0, 83)   2:38 (180, 27)
231P/LINEAR-NEAT                    05 19 +09.5  21.6   1:25 (  0, 64)   1:25 (180, 46)
P/2010 T2 (PanSTARRS)               09 52 +21.3  21.6   5:11 (321, 73)   3:03 (223, 20)
2010 RH69                           11 36 -02.8  21.6   5:11 (309, 38)   3:03 (260, 19)
P/2015 X6 (PanSTARRS)               10 39 +10.8  21.8   5:11 (314, 58)   3:03 (240, 21)
P/2019 A4 (PanSTARRS)               20 41 -24.1  21.8  18:20 ( 25, 27)  20:28 ( 87, 41)
304P/Ory                            19 24 -24.1  21.8  18:20 ( 41, 18)  20:28 ( 77, 25)
P/2010 H2 (Vales)                   15 54 -19.7  21.9  18:20 ( 77,-16)  20:28 ( 51,-16)
P/2016 G1 (PanSTARRS)               23 51 +00.2  21.9  19:53 (  0, 55)  20:28 (165, 54)
P/2000 R2 (LINEAR)                  19 59 -18.7  22.1  18:20 ( 37, 27)  20:28 ( 87, 30)
2019 OE31                           13 11 -04.7  22.1   5:11 (292, 20)   3:03 (276,  0)
324P/La Sagra                       16 27 -26.8  22.1  18:20 ( 66,-13)  20:28 ( 51, -6)
249P/LINEAR                         07 30 +15.1  22.2   3:35 (  0, 70)   3:03 (190, 39)
P/2005 E1 (Tubbiolo)                16 25 -25.3  22.2  18:20 ( 68,-13)  20:28 ( 52, -7)
P/2015 R2 (PanSTARRS)               02 27 -03.2  22.3  22:28 (  0, 52)  22:28 (180, 58)
489P/Denning                        10 50 +12.1  22.3   5:11 (308, 57)   3:03 (240, 18)
316P/LONEOS-Christensen             09 38 +04.3  22.4   5:11 (345, 58)   3:03 (232, 36)
366P/Spacewatch                     19 27 -28.1  22.5  18:20 ( 38, 15)  20:28 ( 74, 28)
311P/PanSTARRS                      17 11 -23.7  22.6  18:20 ( 63, -3)  20:28 ( 60,  0)
147P/Kushida-Muramatsu              13 17 -06.0  22.6   5:11 (292, 18)   3:03 (278,  0)
367P/Catalina                       19 39 -28.4  23.5  18:20 ( 36, 17)  20:28 ( 75, 30)
2008 BJ22                           17 12 -14.6  23.8  18:20 ( 70,  2)  20:28 ( 67, -6)
P/2008 Y12 = P/2014 K3 (SOHO)       17 16 -36.5  29.0  18:20 ( 52,-10)  20:28 ( 51,  8)

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