Comets Waiting for First Observation

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Updated on January 13, 2021

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.

  • 311P/PanSTARRS was observed on 2020 Dec. 19 at 19.7 mag by Toshihiko Ikemura and Hirohisa Sato, but not officially announced yet.

  • 142P/Ge-Wang was fainter than 19 mag on 2020 May 24 (Jean-Francois Soulier).
  • P/2005 L1 ( McNaught ) was fainter than 21.5 mag on 2020 Mar. 5 (Erwin Schwab).
  • P/2008 CL94 ( Lemmon ) was fainter than 21.0 mag on 2017 Nov. 8 (Erwin Schwab).
  • P/2010 TO20 ( LINEAR-Grauer ) was fainter than 22.0 mag on 2017 Jan. 27 (Erwin Schwab).
  • P/2012 TK8 ( Tenagra ) was fainter than 21.5 mag on 2020 Aug. 17 (Erwin Schwab).
  • P/2013 EW90 ( Tenagra ) was fainter than 21 mag on 2020 Jan. 16 (Erwin Schwab).
  • P/2013 YG46 ( Spacewatch ) was fainter than 21.5 mag on 2020 Oct. 28 (Erwin Schwab).
  • P/2015 F1 ( PanSTARRS ) was fainter than 21.5 mag on 2020 Oct. 28 (Erwin Schwab).
  • P/2016 G1 ( PanSTARRS ) was fainter than 22 mag on 2020 Feb. 27 (Erwin Schwab).

2021 January 13 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)
323P/SOHO                           18 27 -24.2  14.3   5:38 (296, -5)   3:17 (304, -4)
98P/Takamizawa                      18 56 -20.8  17.4   5:38 (289, -9)   3:17 (306,-12)
4P/Faye                             20 07 -14.6  17.5  18:38 ( 78, -9)  20:59 ( 56,-19)
P/2009 U4 (McNaught)                20 12 -26.0  18.3  18:38 ( 68,-14)  20:59 ( 49,-10)
P/2015 F1 (PanSTARRS)               11 43 +05.2  18.4   4:14 (  0, 60)   3:17 (201, 48)
201P/LONEOS                         21 33 -17.6  19.1  18:38 ( 64,  6)  20:59 ( 68, -1)
P/2013 EW90 (Tenagra)               10 08 -02.9  19.2   2:39 (  0, 52)   2:39 (180, 58)
P/2008 CL94 (Lemmon)                05 53 +32.1  19.4  22:21 (  0, 87)  22:21 (180, 23)
265P/LINEAR                         22 16 -08.0  19.4  18:38 ( 64, 20)  20:59 ( 82,  2)
(465402) 2008 HW1                   14 42 -07.5  19.7   5:38 (328, 42)   3:17 (258, 30)
P/2015 J3 (NEOWISE)                 14 20 -05.5  19.7   5:38 (334, 46)   3:17 (252, 33)
311P/PanSTARRS                      05 59 +23.2  19.7  22:26 (  0, 78)  22:26 (180, 32)
102P/Shoemaker 1                    22 21 -04.3  19.8  18:38 ( 66, 24)  20:59 ( 85,  0)
P/2013 A2 (Scotti)                  08 23 +24.6  19.8   0:55 (  0, 80)   0:55 (180, 30)
P/2006 S4 (Christensen)             18 10 -49.8  19.8   5:38 (319,-18)   3:17 (321, 14)
P/2014 W12 (Gibbs)                  18 12 -26.9  19.9   5:38 (300, -5)   3:17 (304,  0)
67P/Churyumov-Gerasimenko           19 46 -24.1  20.0  18:38 ( 73,-18)  20:59 ( 45,-15)
179P/Jedicke                        23 08 -21.1  20.1  18:38 ( 45, 19)  20:59 ( 77, 19)
119P/Parker-Hartley                 20 25 -21.5  20.1  18:38 ( 70, -9)  20:59 ( 54,-11)
233P/La Sagra                       12 13 +16.3  20.1   4:43 (  0, 71)   3:17 (206, 35)
75D/Kohoutek                        01 32 +13.7  20.2  18:38 ( 24, 67)  20:59 (131, 25)
P/2015 X6 (PanSTARRS)               06 32 +22.8  20.3  22:59 (  0, 78)  22:59 (180, 32)
P/2005 W3 (Kowalski)                22 46 +00.9  20.3  18:38 ( 66, 32)  20:59 ( 93,  3)
297P/Beshore                        16 19 -14.9  20.4   5:38 (309, 23)   3:17 (279, 14)
116P/Wild 4                         03 40 +22.9  20.5  20:08 (  0, 78)  20:59 (166, 31)
6P/d'Arrest                         15 11 -00.5  20.6   5:38 (314, 44)   3:17 (256, 20)
P/2012 TK8 (Tenagra)                23 00 -00.7  20.6  18:38 ( 62, 33)  20:59 ( 94,  6)
P/2011 W1 (PanSTARRS)               00 21 -00.0  20.7  18:38 ( 42, 47)  20:59 (107, 22)
P/2016 P1 (PanSTARRS)               13 06 -26.5  20.7   5:37 (  0, 28)   3:17 (264, 59)
193P/LINEAR-NEAT                    18 39 -30.1  20.8   5:38 (299,-11)   3:17 (310, -3)
274P/Tombaugh-Tenagra               00 46 -09.5  20.8  18:38 ( 28, 41)  20:59 (102, 33)
111P/Helin-Roman-Crockett           03 36 +17.4  20.9  20:04 (  0, 73)  20:59 (164, 36)
77P/Longmore                        02 51 +39.1  20.9  19:20 (180, 86)  20:59 (160, 12)
298P/Christensen                    14 37 -10.7  21.0   5:38 (331, 40)   3:17 (260, 32)
D/1977 C1 (Skiff-Kosai)             02 45 +14.6  21.1  19:13 (  0, 70)  20:59 (148, 34)
302P/Lemmon-PanSTARRS               11 14 +09.3  21.1   3:44 (  0, 64)   3:17 (190, 45)
281P/MOSS                           00 57 +01.6  21.1  18:38 ( 31, 53)  20:59 (115, 28)
61P/Shajn-Schaldach                 17 10 -17.8  21.1   5:38 (302, 12)   3:17 (288,  5)
195P/Hill                           23 06 +27.0  21.3  18:38 ( 92, 50)  20:59 (117, -9)
P/2007 Q2 (Gilmore)                 22 36 -09.7  21.3  18:38 ( 59, 23)  20:59 ( 83,  7)
2012 US136                          12 31 +48.2  21.4   5:02 (180, 77)   3:17 (197,  4)
P/2010 A5 (LINEAR)                  08 53 +13.4  21.4   1:24 (  0, 68)   1:24 (180, 42)
P/2012 G1 (PanSTARRS)               15 31 -28.3  21.5   5:38 (327, 18)   3:17 (285, 30)
19P/Borrelly                        19 45 -36.3  21.5  18:38 ( 62,-24)  20:59 ( 37, -6)
118P/Shoemaker-Levy 4               20 33 -16.9  21.6  18:38 ( 73, -5)  20:59 ( 59,-13)
142P/Ge-Wang                        20 42 -12.1  21.7  18:38 ( 76,  0)  20:59 ( 64,-14)
135P/Shoemaker-Levy 8               10 06 +03.7  21.8   2:37 (  0, 59)   2:37 (180, 51)
(52872) Okyrhoe                     22 24 -06.1  21.8  18:38 ( 64, 23)  20:59 ( 84,  2)
P/2014 U4 (PanSTARRS)               22 03 -14.2  21.9  18:38 ( 61, 14)  20:59 ( 75,  3)
P/2013 W1 (PanSTARRS)               14 41 -11.1  21.9   5:38 (330, 39)   3:17 (261, 32)
P/2012 T2 (PanSTARRS)               15 13 -11.3  21.9   5:38 (321, 35)   3:17 (266, 25)
P/2004 V3 (Siding Spring)           13 09 -36.6  21.9   5:38 (  0, 18)   3:17 (284, 61)
P/2005 T2 (Christensen)             01 03 +12.9  22.0  18:38 ( 38, 63)  20:59 (125, 21)
P/2009 WX51 (Catalina)              16 60 -24.4  22.0   5:38 (309,  9)   3:17 (292, 11)
106P/Schuster                       20 33 -33.2  22.2  18:38 ( 59,-14)  20:59 ( 47, -1)
P/2009 Q1 (Hill)                    16 29 -10.3  22.3   5:38 (304, 24)   3:17 (276,  9)
P/2005 L1 (McNaught)                16 21 -14.9  22.3   5:38 (309, 22)   3:17 (279, 13)
P/2016 G1 (PanSTARRS)               19 26 -14.5  22.3   5:38 (280,-12)   3:17 (307,-21)
286P/Christensen                    13 54 -29.2  22.3   5:38 (349, 25)   3:17 (275, 50)
320P/McNaught                       19 35 -21.8  22.3   5:38 (285,-18)   3:17 (314,-17)
P/2019 A4 (PanSTARRS)               19 00 -19.6  22.4   5:38 (287, -9)   3:17 (306,-14)
P/2010 TO20 (LINEAR-Grauer)         17 29 -24.5  22.5   5:38 (304,  4)   3:17 (296,  6)
169P/NEAT                           15 42 -11.7  22.6   5:38 (315, 31)   3:17 (271, 20)
P/2007 S1 (Zhao)                    18 03 -19.4  22.6   5:38 (295,  1)   3:17 (297, -4)
108P/Ciffreo                        20 39 -27.1  22.7  18:38 ( 64,-10)  20:59 ( 52, -5)
57P/du Toit-Neujmin-Delporte        14 40 -14.9  22.7   5:38 (332, 35)   3:17 (265, 34)
324P/La Sagra                       19 50 -13.3  22.7  18:38 ( 82,-11)  20:59 ( 54,-22)
83D/Russell 1                       11 19 -19.9  22.8   3:50 (  0, 35)   3:17 (208, 73)
2017 MB1                            18 30 -19.8  22.8   5:38 (292, -4)   3:17 (301, -8)
107P/(4015) Wilson-Harrington       13 44 -13.6  22.9   5:38 (348, 41)   3:17 (253, 45)
206P/Barnard-Boattini               22 28 -00.2  23.0  18:38 ( 68, 28)  20:59 ( 90,  0)
252P/LINEAR                         02 22 +04.1  23.1  18:50 (  0, 59)  20:59 (136, 40)
P/2014 MG4 (Spacewatch-PanSTARRS)   07 35 +25.6  23.4   0:06 (  0, 81)   0:06 (180, 29)
P/2013 YG46 (Spacewatch)            10 03 +22.4  23.5   2:34 (  0, 77)   2:34 (180, 33)
15P/Finlay                          17 15 -27.2  24.4   5:38 (308,  5)   3:17 (296, 10)
354P/LINEAR                         13 36 -14.0  25.8   5:38 (351, 40)   3:17 (252, 47)
P/1999 J6=P/2004 V9=P/2010 H3 (SOHO)20 03 -29.8  27.5  18:38 ( 66,-18)  20:59 ( 45, -8)

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