Comets Waiting for First Observation

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Updated on October 28, 2018

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

Bright periodic comets not yet observed in this return. (3200) Phaethon was observed on 2018 Oct. 15 at 18.1 mag by Kunihiro Shima, but not officially announced yet. P/2004 FY140 ( LINEAR ) was fainter than 22 mag on 2015 June 15 (Erwin Schwab, Marco Micheli). P/1999 XN120 ( Catalina ) was fainter than 21.5 mag on 2016 Nov. 28 (Erwin Schwab), fainter than 21.2 mag on 2016 Dec. 4 (Jean-Gabriel Bosch). P/2010 TO20 ( LINEAR-Grauer ) was fainter than 22.0 mag on 2017 Jan. 27 (Erwin Schwab). P/2010 H2 ( Vales ) was fainter than 21.5 mag on 2017 Mar. 28 (Erwin Schwab). P/2006 F1 ( Kowalski ) was fainter than 20 mag on 2017 May 26 (Jean-Francois Soulier). P/1998 VS24 ( LINEAR ) was fainter than 21.5 mag on 2017 Aug. 20 (Erwin Schwab). P/2008 CL94 ( Lemmon ) was fainter than 21.0 mag on 2017 Nov. 8 (Erwin Schwab). 82P/Gehrels 3 was fainter than 20 mag on 2017 Dec. 23 (Jean-Francois Soulier). P/2005 Y2 ( McNaught ) was fainter than 21.5 mag on 2018 Feb. 17 (Erwin Schwab). P/2002 EJ57 ( LINEAR ) was fainter than 20.0 mag on 2018 Jan. 12 (Toshihiko Ikemura, Hirohisa Sato), fainter than 19.5 mag on 2018 Feb. 23 (Toshihiko Ikemura, Hirohisa Sato). P/2003 L1 ( Scotti ) was fainter than 21.5 mag on 2017 Mar. 24 (Erwin Schwab), fainter than 20.5 mag on 2018 Apr. 9 (Erwin Schwab). P/2011 V1 ( Boattini ) was fainter than 18.5 mag on 2018 May 21 (Toshihiko Ikemura, Hirohisa Sato). P/2013 R3 ( Catalina-PanSTARRS ) was fainter than 22 mag on 2018 Aug. 8 (Erwin Schwab). 198P/ODAS was fainter than 20 mag on 2018 July 24 (Jean-Francois Soulier), fainter than 19 mag on 2018 Sept. 8 (Jean-Francois Soulier). 2018 November 7 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) (3200) Phaethon 03 13 +40.1 17.6 0:12 (180, 85) 0:12 (180, 15) 79P/du Toit-Hartley 15 56 -21.2 18.8 18:27 ( 69, -7) 20:10 ( 62, -3) 198P/ODAS 03 49 +22.1 18.9 0:46 ( 0, 77) 0:46 (180, 33) P/2014 C1 (TOTAS) 09 54 +10.6 18.9 5:00 (307, 55) 3:17 (238, 22) P/2011 V1 (Boattini) 20 24 -26.9 19.1 18:27 ( 17, 26) 20:10 ( 91, 53) P/1998 VS24 (LINEAR) 07 06 +17.1 19.4 4:03 ( 0, 72) 3:17 (194, 37) 231P/LINEAR-NEAT 10 04 +11.5 19.5 5:00 (303, 54) 3:17 (239, 20) P/2008 CL94 (Lemmon) 01 54 +11.6 19.6 22:47 ( 0, 67) 22:47 (180, 43) P/2005 GF8 (LONEOS) 12 04 -01.0 19.8 5:00 (289, 23) 3:17 (268, 4) P/2006 F1 (Kowalski) 22 07 -25.6 19.8 19:01 ( 0, 29) 20:10 (118, 72) P/2002 EJ57 (LINEAR) 12 27 -04.8 19.9 5:00 (288, 17) 3:17 (275, 2) P/2013 R3 (Catalina-PanST.) 21 16 -15.9 19.9 18:27 ( 5, 39) 20:10 (118, 57) 173P/Mueller 5 01 18 -12.5 20.0 22:11 ( 0, 43) 22:11 (180, 67) P/2009 SK280 (Spacew.-Hill) 21 09 -33.4 20.0 18:27 ( 5, 22) 20:10 ( 85, 64) 246P/NEAT 09 27 +27.1 20.1 5:00 (288, 70) 3:17 (222, 14) P/2004 FY140 (LINEAR) 21 47 -13.0 20.2 18:41 ( 0, 42) 20:10 (132, 60) P/2003 L1 (Scotti) 11 23 -03.9 20.3 5:00 (299, 29) 3:17 (265, 14) P/2010 U2 (Hill) 20 60 -26.1 20.3 18:27 ( 8, 29) 20:10 ( 98, 60) 99P/Kowal 1 06 58 +27.2 20.4 3:55 ( 0, 82) 3:17 (189, 27) P/2002 T5 (LINEAR) 22 18 -29.7 20.4 19:13 ( 0, 25) 20:10 (110, 77) 209P/LINEAR 07 33 +34.4 20.4 4:30 ( 0, 89) 3:17 (196, 19) P/2005 J1 (McNaught) 16 28 -23.5 20.5 18:27 ( 63, -2) 20:10 ( 64, 5) P/1999 XN120 (Catalina) 11 54 -03.6 20.6 5:00 (293, 24) 3:17 (269, 8) 82P/Gehrels 3 09 35 +13.3 20.6 5:00 (311, 60) 3:17 (233, 23) 101P/Chernykh 19 00 -22.7 20.6 18:27 ( 38, 22) 20:10 ( 84, 34) P/1996 R2 (Lagerkvist) 21 57 -15.1 20.6 18:52 ( 0, 40) 20:10 (134, 63) P/2005 Y2 (McNaught) 13 27 +08.5 20.8 5:00 (268, 12) 3:17 (272,-18) P/2007 T2 (Kowalski) 10 28 +19.0 21.0 5:00 (287, 54) 3:17 (238, 10) P/2015 F1 (PanSTARRS) 04 01 +21.8 21.0 0:59 ( 0, 77) 0:59 (180, 33) 10P/Tempel 2 10 22 +15.0 21.1 5:00 (294, 53) 3:17 (240, 14) 282P/(323137) 2003 BM80 06 39 +29.8 21.1 3:36 ( 0, 85) 3:17 (184, 25) P/2013 EW90 (Tenagra) 01 45 -19.7 21.2 22:38 ( 0, 35) 22:38 (180, 75) 254P/McNaught 16 19 +03.6 21.2 18:27 ( 86, 12) 20:10 ( 85,-14) P/2007 T4 (Gibbs) 23 19 -25.2 21.2 20:13 ( 0, 30) 20:13 (180, 80) 258P/PanSTARRS 04 48 +14.9 21.3 1:45 ( 0, 70) 1:45 (180, 40) 124P/Mrkos 01 42 +41.1 21.3 22:35 (180, 84) 22:35 (180, 14) 163P/NEAT 23 52 -19.1 21.3 20:45 ( 0, 36) 20:45 (180, 74) P/2007 R1 (Larson) 15 41 -13.8 21.4 18:27 ( 77, -6) 20:10 ( 65,-10) P/2013 J4 (PanSTARRS) 20 46 -22.8 21.4 18:27 ( 12, 31) 20:10 (101, 55) 36P/Whipple 18 15 -14.9 21.5 18:27 ( 52, 22) 20:10 ( 86, 21) 267P/LONEOS 05 02 +20.5 21.5 1:59 ( 0, 76) 1:59 (180, 34) 266P/Christensen 22 14 -12.3 21.6 19:08 ( 0, 43) 20:10 (145, 63) P/2011 R3 (Novichonok-Ger.) 17 07 -06.7 21.7 18:27 ( 70, 15) 20:10 ( 83, 2) P/2011 U2 (Bressi) 16 34 -23.4 21.9 18:27 ( 62, -2) 20:10 ( 65, 5) 17P/Holmes 13 05 -20.7 21.9 5:00 (295, -1) 3:17 (293, 3) P/2010 H2 (Vales) 17 10 -27.8 22.5 18:27 ( 53, 2) 20:10 ( 66, 15) 121P/Shoemaker-Holt 2 18 56 -28.6 22.7 18:27 ( 35, 17) 20:10 ( 77, 36) P/2010 TO20 (LINEAR-Grauer) 13 31 -08.6 22.9 5:00 (282, 2) 3:17 (287, -9) (431760) 2008 HE 13 54 -12.9 23.3 5:00 (282, -6) 3:17 (294,-11) 324P/La Sagra 11 02 -12.8 24.1 5:00 (310, 26) 3:17 (270, 23) (399457) 2002 PD43 20 40 -10.8 24.6 18:27 ( 17, 43) 20:10 (115, 47) 354P/LINEAR 18 30 -25.2 26.7 18:27 ( 42, 16) 20:10 ( 78, 29) 2008 FF5 13 45 -11.1 28.3 5:00 (282, -3) 3:17 (292,-10)