Comets Waiting for First Observation

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Updated on February 8, 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/2017 B4 ( PanSTARRS ) was observed on 2026 Jan. 20 at 20.4 mag by John Maikner, but not officially announced 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).

2026 February 17 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)
(248590) 2006 CS                    02 34 -57.5  17.7  19:08 ( 19, -7)  20:22 ( 41, 48)
304P/Ory                            23 30 -04.5  17.9  19:08 ( 82,  5)  20:22 ( 81, -6)
407P/PanSTARRS-Fuls                 07 05 +27.4  17.9  21:16 (  0, 82)  21:16 (180, 28)
P/2004 V5 (LINEAR-Hill)             03 53 +29.3  19.0  19:08 ( 72, 75)  20:22 (149, 18)
P/2012 K3 (Gibbs)                   17 50 -13.3  19.9   5:19 (314, 28)   4:04 (264, 32)
P/2009 B1 (Boattini)                00 06 +20.3  19.9  19:08 ( 98, 26)  20:22 (107,-12)
186P/Garradd                        06 50 +44.4  20.2  21:01 (180, 81)  21:01 (180, 11)
P/2011 V1 (Boattini)                20 04 -24.8  20.3   5:19 (299, -2)   4:04 (292, 11)
245P/WISE                           18 50 -37.5  20.4   5:19 (319,  1)   4:04 (296, 31)
373P/Rinner                         00 58 +10.2  20.4  19:08 ( 81, 31)  20:22 (105,  4)
412P/WISE                           04 32 +34.0  20.4  19:08 ( 80, 85)  20:22 (159, 17)
P/2017 B4 (PanSTARRS)               10 23 +27.0  20.4   0:37 (  0, 82)   0:37 (180, 28)
P/2022 BV9 (Lemmon)                 13 06 -15.6  20.6   3:20 (  0, 39)   3:20 (180, 71)
P/2005 S2 (Skiff)                   21 49 -12.4  20.6   5:19 (274,-16)   4:04 (298,-16)
340P/Boattini                       23 38 -00.7  20.6  19:08 ( 84,  8)  20:22 ( 85, -6)
139P/Vaisala-Oterma                 21 57 -10.5  20.6   5:19 (271,-16)   4:04 (298,-19)
187P/LINEAR                         10 28 +21.9  20.7   0:43 (  0, 77)   0:43 (180, 33)
82P/Gehrels 3                       03 10 +17.6  20.8  19:08 ( 61, 61)  20:22 (133, 22)
P/2010 H4 (Scotti)                  12 22 -00.2  20.8   2:36 (  0, 55)   2:36 (180, 55)
469P/PanSTARRS                      17 02 -06.3  20.8   5:19 (321, 40)   4:04 (248, 37)
2010 RH69                           11 50 -04.0  20.8   2:04 (  0, 51)   2:04 (180, 59)
P/2011 N1 (ASH)                     20 31 -39.8  20.9   5:19 (308,-16)   4:04 (309, 15)
P/2011 P1 (McNaught)                15 43 -24.0  21.1   5:19 (350, 30)   4:04 (253, 63)
P/2023 B3 (PanSTARRS)               16 11 -11.9  21.1   5:19 (339, 41)   4:04 (243, 51)
(944) Hidalgo                       16 58 -57.6  21.1   5:19 (345, -6)   4:04 (321, 52)
P/2015 X6 (PanSTARRS)               11 01 +12.3  21.2   1:15 (  0, 67)   1:15 (180, 43)
246P/NEAT                           05 58 +32.2  21.2  20:09 (  0, 87)  20:22 (177, 23)
231P/LINEAR-NEAT                    04 42 +12.2  21.4  19:08 (  9, 67)  20:22 (152, 38)
P/2010 D2 (WISE)                    22 16 +24.6  21.4  19:08 (116,  6)  20:22 ( 97,-37)
489P/Denning                        13 25 -05.6  21.4   3:39 (  0, 49)   3:39 (180, 61)
P/2010 C1 (Scotti)                  03 53 +11.2  21.4  19:08 ( 35, 62)  20:22 (138, 33)
P/2010 T2 (PanSTARRS)               09 30 +25.0  21.5  23:41 (  0, 80)  23:41 (180, 30)
2019 OE31                           13 57 -09.1  21.6   4:11 (  0, 46)   4:04 (184, 64)
317P/WISE                           21 45 -07.3  21.6   5:19 (270,-12)   4:04 (293,-18)
324P/La Sagra                       19 04 -22.5  21.6   5:19 (306,  9)   4:04 (283, 22)
P/2005 T3 (Read)                    00 58 +05.6  21.7  19:08 ( 77, 28)  20:22 (102,  6)
P/2017 U3 (PanSTARRS)               21 29 -08.9  21.7   5:19 (274,-10)   4:04 (292,-14)
P/2021 A5 (PanSTARRS)               00 09 +13.7  21.8  19:08 ( 92, 23)  20:22 (101, -8)
P/2017 FL36 (PanSTARRS)             03 58 +34.0  21.8  19:08 ( 89, 78)  20:22 (152, 14)
2018 BJ11                           05 45 +27.3  22.0  19:56 (  0, 82)  20:22 (174, 27)
P/2012 O1 (McNaught)                00 56 +00.8  22.0  19:08 ( 73, 25)  20:22 ( 98,  9)
316P/LONEOS-Christensen             09 15 +02.7  22.1  23:25 (  0, 58)  23:25 (180, 52)
P/2019 A4 (PanSTARRS)               22 57 -14.3  22.1  19:08 ( 78, -8)  20:22 ( 68, -6)
P/2019 S3 (PanSTARRS)               00 48 -01.1  22.2  19:08 ( 72, 22)  20:22 ( 95,  8)
P/2005 E1 (Tubbiolo)                17 39 -27.3  22.3   5:19 (325, 18)   4:04 (278, 41)
198P/ODAS                           05 02 +24.5  22.3  19:14 (  0, 80)  20:22 (162, 28)
147P/Kushida-Muramatsu              14 08 -10.3  22.3   4:22 (  0, 45)   4:04 (190, 65)
P/2010 H2 (Vales)                   18 02 -26.1  22.4   5:19 (319, 16)   4:04 (279, 36)
311P/PanSTARRS                      20 12 -19.3  22.6   5:19 (293,  0)   4:04 (289,  7)
249P/LINEAR                         06 10 +16.3  22.8  20:21 (  0, 71)  20:22 (180, 39)
P/2016 G1 (PanSTARRS)               01 36 +06.5  23.2  19:08 ( 70, 36)  20:22 (108, 13)
P/2000 R2 (LINEAR)                  00 11 -04.4  23.3  19:08 ( 76, 13)  20:22 ( 87,  3)
366P/Spacewatch                     21 49 -20.0  23.4   5:19 (281,-20)   4:04 (304,-11)
367P/Catalina                       21 56 -19.5  23.5   5:19 (280,-21)   4:04 (304,-12)
P/2015 R2 (PanSTARRS)               02 43 +01.7  23.7  19:08 ( 51, 45)  20:22 (116, 29)
P/1999 RO28 (LONEOS)                03 54 +13.7  23.7  19:08 ( 37, 65)  20:22 (141, 32)
2008 BJ22                           19 37 -14.2  23.9   5:19 (295,  9)   4:04 (280, 11)

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