Comets Waiting for First Observation

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Updated on February 21, 2021

Please see also the Weekly Information about Bright Comets and Comet Catalog.

Bright periodic comets not yet observed in this return. 102P/Shoemaker 1 was observed on 2020 July 18 at 16.9 mag at Blue Mountains Observatory, Leura, but not officially confirmed yet. 142P/Ge-Wang was observed on 2020 July 18 at 18.7 mag at Blue Mountains Observatory, Leura, but not officially confirmed yet. 252P/LINEAR was observed on 2021 Jan. 13 at 23.1 mag at Lowell Discovery Telescope, but not officially confirmed yet. 283P/Spacewatch was observed on 2020 Dec. 6 at 23.1 mag by H. Nohara, but not officially confirmed 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 YG46 ( Spacewatch ) was fainter than 21.5 mag on 2020 Oct. 28 (Erwin Schwab). P/2015 X6 ( PanSTARRS ) was fainter than 21.5 mag on 2021 Jan. 15 (Erwin Schwab). P/2016 G1 ( PanSTARRS ) was fainter than 22 mag on 2020 Feb. 27 (Erwin Schwab). 2021 February 11 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) 4P/Faye 20 58 -11.8 16.8 5:24 (278, -9) 3:57 (294,-12) 98P/Takamizawa 20 25 -19.1 17.1 5:24 (289, -6) 3:57 (295, -2) 323P/SOHO 01 11 +11.9 17.6 19:03 ( 75, 41) 20:30 (112, 9) 201P/LONEOS 22 38 -10.9 18.2 19:03 ( 80, -4) 20:30 ( 70, -9) P/2009 U4 (McNaught) 21 44 -20.3 18.3 19:03 ( 79,-20) 20:30 ( 54,-13) 265P/LINEAR 23 35 +03.2 19.4 19:03 ( 83, 16) 20:30 ( 90, -6) P/2014 W12 (Gibbs) 19 25 -24.7 19.4 5:24 (302, 2) 3:57 (291, 13) 67P/Churyumov-Gerasimenko 20 31 -21.9 19.5 5:24 (290, -9) 3:57 (298, -1) P/2006 S4 (Christensen) 19 07 -51.6 19.6 5:24 (325,-13) 3:57 (315, 29) P/2008 CL94 (Lemmon) 05 44 +31.7 19.7 20:18 ( 0, 87) 20:30 (177, 23) (465402) 2008 HW1 13 57 +01.8 19.8 4:34 ( 0, 57) 3:57 (195, 52) 119P/Parker-Hartley 21 00 -19.6 19.9 5:24 (285,-13) 3:57 (300, -8) 102P/Shoemaker 1 23 15 +04.6 20.0 19:03 ( 87, 12) 20:30 ( 88,-11) 6P/d'Arrest 15 51 +00.2 20.0 5:24 (334, 52) 3:57 (233, 40) 179P/Jedicke 23 34 -18.2 20.0 19:03 ( 66, 2) 20:30 ( 72, 6) 233P/La Sagra 12 19 +19.3 20.1 2:55 ( 0, 74) 2:55 (180, 36) 297P/Beshore 17 14 -16.9 20.1 5:24 (320, 28) 3:57 (266, 35) P/2016 P1 (PanSTARRS) 13 27 -35.3 20.2 4:04 ( 0, 20) 3:57 (286, 89) P/2005 W3 (Kowalski) 23 23 +03.0 20.3 19:03 ( 85, 13) 20:30 ( 88, -9) 193P/LINEAR-NEAT 19 39 -28.2 20.3 5:24 (303, -3) 3:57 (296, 12) 75D/Kohoutek 02 29 +16.6 20.4 19:03 ( 63, 58) 20:30 (128, 19) P/2015 X6 (PanSTARRS) 06 18 +24.0 20.7 20:52 ( 0, 79) 20:52 (180, 31) P/2012 TK8 (Tenagra) 23 35 +02.7 20.7 19:03 ( 83, 15) 20:30 ( 89, -6) P/2011 W1 (PanSTARRS) 00 46 +02.6 20.7 19:03 ( 71, 29) 20:30 (100, 9) 274P/Tombaugh-Tenagra 01 06 -05.4 20.8 19:03 ( 60, 28) 20:30 ( 96, 17) 298P/Christensen 15 11 -13.6 20.8 5:24 (353, 41) 3:57 (236, 57) 61P/Shajn-Schaldach 17 38 -17.9 20.8 5:24 (316, 23) 3:57 (271, 31) 302P/Lemmon-PanSTARRS 11 04 +10.8 21.0 1:41 ( 0, 66) 1:41 (180, 44) 77P/Longmore 02 56 +37.9 21.1 19:03 (106, 71) 20:30 (146, 6) 111P/Helin-Roman-Crockett 03 42 +18.3 21.1 19:03 ( 35, 70) 20:30 (144, 28) 106P/Schuster 21 34 -29.1 21.2 5:24 (289,-25) 3:57 (313, -7) 281P/MOSS 01 13 +03.8 21.2 19:03 ( 67, 35) 20:30 (105, 13) D/1977 C1 (Skiff-Kosai) 03 02 +16.4 21.3 19:03 ( 52, 63) 20:30 (134, 24) 195P/Hill 23 23 +26.9 21.3 19:03 (106, 25) 20:30 (109,-21) P/2012 G1 (PanSTARRS) 16 20 -30.9 21.3 5:24 (339, 21) 3:57 (277, 52) 135P/Shoemaker-Levy 8 09 50 +04.8 21.4 0:27 ( 0, 60) 0:27 (180, 50) 19P/Borrelly 20 28 -35.5 21.5 5:24 (302,-16) 3:57 (308, 8) 118P/Shoemaker-Levy 4 21 03 -15.3 21.5 5:24 (281,-12) 3:57 (298,-11) 142P/Ge-Wang 21 36 -09.2 21.5 5:24 (271,-15) 3:57 (299,-21) 57P/du Toit-Neujmin-Delporte 15 15 -16.9 21.6 5:24 (352, 38) 3:57 (242, 59) P/1997 B1 (Kobayashi) 02 01 +24.9 21.7 19:03 ( 83, 57) 20:30 (129, 8) P/2004 V3 (Siding Spring) 13 06 -39.8 21.7 3:43 ( 0, 15) 3:43 ( 0, 85) (52872) Okyrhoe 22 34 -05.3 21.7 19:03 ( 85, -2) 20:30 ( 74,-14) P/2012 T2 (PanSTARRS) 15 24 -11.8 21.8 5:24 (348, 42) 3:57 (238, 54) P/2007 Q2 (Gilmore) 23 46 -04.1 21.8 19:03 ( 75, 13) 20:30 ( 86, 0) 108P/Ciffreo 21 33 -23.3 21.9 5:24 (284,-22) 3:57 (308,-11) 286P/Christensen 14 10 -32.5 21.9 4:46 ( 0, 22) 3:57 (260, 79) P/2009 Q1 (Hill) 16 56 -10.0 21.9 5:24 (320, 36) 3:57 (257, 35) P/2014 U4 (PanSTARRS) 23 11 -06.4 21.9 19:03 ( 79, 5) 20:30 ( 79, -6) 83D/Russell 1 11 25 -23.3 22.0 2:02 ( 0, 32) 2:02 (180, 78) P/2005 L1 (McNaught) 16 57 -15.5 22.0 5:24 (323, 31) 3:57 (262, 38) P/2013 W1 (PanSTARRS) 15 19 -12.7 22.1 5:24 (350, 42) 3:57 (238, 55) 2017 MB1 19 53 -18.4 22.3 5:24 (293, 0) 3:57 (290, 4) 283P/Spacewatch 06 47 +08.0 22.3 21:20 ( 0, 63) 21:20 (180, 47) 169P/NEAT 15 58 -11.6 22.4 5:24 (337, 40) 3:57 (247, 47) P/2019 A4 (PanSTARRS) 19 49 -18.8 22.4 5:24 (294, 1) 3:57 (289, 5) P/2007 S1 (Zhao) 18 37 -19.1 22.4 5:24 (305, 13) 3:57 (280, 20) P/2010 TO20 (LINEAR-Grauer) 17 52 -24.8 22.4 5:24 (317, 16) 3:57 (280, 31) P/2016 G1 (PanSTARRS) 20 33 -11.1 22.5 5:24 (281, -3) 3:57 (290, -8) P/1999 J6=P/2004 V9=P/2010 H3 (SOHO)21 28 -22.9 22.5 5:24 (284,-20) 3:57 (307,-10) 107P/(4015) Wilson-Harrington 13 50 -14.5 22.6 4:26 ( 0, 40) 3:57 (200, 69) P/2009 WX51 (Catalina) 18 20 -27.5 22.7 5:24 (314, 10) 3:57 (286, 27) 320P/McNaught 21 49 -11.8 22.7 19:03 ( 86,-15) 20:30 ( 61,-18) 113P/Spitaler 20 51 -17.6 22.7 5:24 (284,-10) 3:57 (297, -7) 15P/Finlay 18 19 -28.1 22.7 5:24 (315, 10) 3:57 (286, 28) 252P/LINEAR 02 38 +06.2 22.7 19:03 ( 48, 52) 20:30 (121, 28) 324P/La Sagra 20 40 -08.8 22.8 5:24 (278, -3) 3:57 (289,-11) P/2016 BA14 (PanSTARRS) 02 55 -03.1 23.0 19:03 ( 35, 46) 20:30 (117, 37) 206P/Barnard-Boattini 23 49 +00.5 23.0 19:03 ( 79, 17) 20:30 ( 90, -2) 97P/Metcalf-Brewington 21 56 -04.4 23.1 19:03 ( 91, -9) 20:30 ( 68,-22) P/2013 YG46 (Spacewatch) 09 43 +24.5 23.1 0:21 ( 0, 79) 0:21 (180, 31) P/2007 R4 (Garradd) 19 13 -25.2 23.4 5:24 (304, 3) 3:57 (290, 16) P/2014 MG4 (Spacewatch-PanSTARRS) 07 19 +25.7 23.4 21:52 ( 0, 81) 21:52 (180, 29) 132P/Helin-Roman-Alu 2 19 57 -16.9 23.8 5:24 (291, 0) 3:57 (289, 2) 104P/Kowal 2 20 21 -14.8 24.6 5:24 (286, -3) 3:57 (291, -4) 354P/LINEAR 14 00 -17.7 25.5 4:36 ( 0, 37) 3:57 (210, 71)