Comets Waiting for First Observation

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Updated on February 15, 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.

  • P/2019 Y3 ( Catalina ) was observed on 2025 Jan. 29 at 18.2 mag by Michael Jager, but not officially announced yet.
  • 2017 MB1 was observed on 2025 Jan. 26 at 20 mag by Alan Hale, but not officially announced yet.

  • P/2003 QX29 ( NEAT ) was fainter than 21.5 mag on 2024 Sept. 3 (Erwin Schwab).
  • P/2007 C2 ( Catalina ) was fainter than 21.5 mag on 2024 Oct. 29 (Erwin Schwab).
  • 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 February 28 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/2008 Y12 = P/2014 K3 (SOHO)       22 41 -05.9  13.5   5:07 (266,-16)   4:18 (292,-19)
249P/LINEAR                         23 42 +00.8  14.5  19:18 ( 92, -1)  20:06 ( 83,-12)
P/2019 Y3 (Catalina)                03 10 +15.6  16.0  19:18 ( 73, 50)  20:06 (127, 19)
(431760) 2008 HE                    21 39 -11.0  18.1   5:07 (279, -6)   4:18 (286, -4)
(465402) 2008 HW1                   20 22 +25.9  18.1   5:07 (258, 28)   4:18 (246, -9)
341P/Gibbs                          22 13 -13.7  19.3   5:07 (276,-15)   4:18 (293, -9)
P/2007 C2 (Catalina)                01 33 +16.6  19.6  19:18 ( 90, 30)  20:06 (111,  1)
P/2005 T5 (Broughton)               23 13 -22.6  19.8  19:18 ( 76,-20)  20:06 ( 60, -3)
P/2003 QX29 (NEAT)                  19 26 -19.2  19.8   5:07 (305, 13)   4:18 (275, 27)
469P/PanSTARRS                      11 12 -01.7  19.9   0:42 (  0, 53)   0:42 (180, 57)
2017 MB1                            05 02 +24.5  19.9  19:18 ( 47, 76)  20:06 (156, 26)
P/2018 L1 (PanSTARRS)               14 02 -26.2  20.0   3:32 (  0, 29)   3:32 (180, 81)
P/2010 U1 (Boattini)                21 14 -12.1  20.2   5:07 (283, -2)   4:18 (283,  2)
351P/Wiegert-PanSTARRS              19 09 -24.9  20.3   5:07 (312, 12)   4:18 (279, 34)
(3552) Don Quixote                  10 47 +18.0  20.3   0:17 (  0, 73)   0:17 (180, 37)
P/2004 V5 (LINEAR-Hill)             02 30 +14.7  20.4  19:18 ( 79, 41)  20:06 (119, 13)
350P/McNaught                       10 16 +21.3  20.5  23:42 (  0, 76)  23:42 (180, 34)
366P/Spacewatch                     17 11 -20.2  20.5   5:07 (334, 30)   4:18 (254, 55)
340P/Boattini                       20 16 -19.8  20.6   5:07 (298,  4)   4:18 (282, 18)
P/2010 T2 (PanSTARRS)               05 52 +29.5  20.6  19:19 (  0, 84)  20:06 (169, 25)
215P/NEAT                           11 16 +18.6  20.6   0:46 (  0, 73)   0:46 (180, 37)
147P/Kushida-Muramatsu              10 42 +11.4  20.6   0:12 (  0, 66)   0:12 (180, 44)
P/2012 T2 (PanSTARRS)               21 50 -23.4  20.6   5:07 (288,-16)   4:18 (298,  1)
363P/Lemmon                         13 13 -02.0  20.7   2:42 (  0, 53)   2:42 (180, 57)
2010 RH69                           09 00 +05.3  20.7  22:26 (  0, 60)  22:26 (180, 50)
2009 KF37                           13 30 +06.3  20.8   3:00 (  0, 61)   3:00 (180, 49)
P/2005 S2 (Skiff)                   20 50 -16.1  20.9   5:07 (290,  0)   4:18 (283,  9)
P/2005 E1 (Tubbiolo)                15 44 -24.2  21.0   5:07 (358, 31)   4:18 (232, 74)
P/2005 J1 (McNaught)                11 05 -52.6  21.0   0:35 (  0,  2)   0:35 (  0, 72)
P/2010 H2 (Vales)                   13 54 +04.8  21.1   3:23 (  0, 60)   3:23 (180, 50)
2019 OE31                           11 20 +10.6  21.1   0:50 (  0, 65)   0:50 (180, 45)
186P/Garradd                        04 01 +48.1  21.1  19:18 (131, 66)  20:06 (155,  0)
P/2015 TO19 (Lemmon-PanSTARRS)      23 21 -01.2  21.3  19:18 ( 93, -7)  20:06 ( 78,-15)
248P/Gibbs                          23 15 -01.9  21.4  19:18 ( 94, -8)  20:06 ( 76,-16)
188P/LINEAR-Mueller                 20 36 -26.7  21.4   5:07 (300, -4)   4:18 (291, 17)
379P/Spacewatch                     07 04 +08.4  21.4  20:31 (  0, 63)  20:31 (180, 47)
433P/(248370) 2005 QN173            13 30 -09.4  21.4   3:00 (  0, 45)   3:00 (180, 65)
P/2011 P1 (McNaught)                14 45 -19.6  21.4   4:15 (  0, 35)   4:15 (180, 75)
303P/NEAT                           18 22 -29.8  21.5   5:07 (324, 15)   4:18 (279, 45)
139P/Vaisala-Oterma                 20 02 -18.9  21.5   5:07 (299,  7)   4:18 (279, 20)
356P/WISE                           20 09 -13.9  21.5   5:07 (294,  9)   4:18 (276, 16)
313P/Gibbs                          20 12 -20.3  21.7   5:07 (299,  5)   4:18 (282, 19)
P/2015 R2 (PanSTARRS)               22 47 -06.2  21.7  19:18 ( 94,-16)  20:06 ( 68,-19)
31P/Schwassmann-Wachmann 2          23 22 -07.5  21.7  19:18 ( 88,-10)  20:06 ( 73,-11)
P/2015 X6 (PanSTARRS)               02 10 +09.9  21.8  19:18 ( 77, 34)  20:06 (112, 12)
P/2005 T3 (Read)                    23 50 -03.9  21.9  19:18 ( 87, -2)  20:06 ( 80, -8)
316P/LONEOS-Christensen             05 13 +17.9  21.9  19:18 ( 28, 71)  20:06 (156, 33)
2018 BJ11                           02 10 +15.7  21.9  19:18 ( 83, 37)  20:06 (116,  9)
7P/Pons-Winnecke                    05 41 +24.8  22.1  19:18 ( 12, 80)  20:06 (165, 29)
228P/LINEAR                         23 18 -09.4  22.2  19:18 ( 87,-12)  20:06 ( 71,-11)
288P/(300163) 2006 VW139            14 02 -08.6  22.2   3:31 (  0, 46)   3:31 (180, 64)
2017 FL36                           23 48 +09.5  22.4  19:18 ( 98,  5)  20:06 ( 91,-16)
331P/Gibbs                          22 42 -01.8  22.6   5:07 (262,-14)   4:18 (289,-22)
367P/Catalina                       17 44 -24.2  22.7   5:07 (329, 24)   4:18 (266, 51)
355P/LINEAR-NEAT                    09 06 +32.7  23.8  22:32 (  0, 88)  22:32 (180, 22)
18D/Perrine-Mrkos                   02 26 +11.9  24.3  19:18 ( 77, 39)  20:06 (116, 14)
P/2013 R3 (Catalina-PanSTARRS)      04 30 +22.7  25.0  19:18 ( 61, 69)  20:06 (147, 25)

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