Comets Waiting for First Observation

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Updated on July 5, 2019

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

Bright periodic comets not yet observed in this return. 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/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/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). 115P/Maury was fainter than 20 mag on 2018 Mar. 10 (Jean-Francois Soulier). 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). P/2003 F2 ( NEAT ) was fainter than 21.5 mag on 2019 Feb. 7 (Erwin Schwab). 198P/ODAS was fainter than 20 mag on 2019 Feb. 3 (Jean-Francois Soulier), fainter than 19.5 mag on 2019 Feb. 26 (Jean-Francois Soulier). P/2012 K3 ( Gibbs ) was fainter than 21.5 mag on 2019 Mar. 10 (Erwin Schwab). P/2014 C1 ( TOTAS ) was fainter than 20.0 mag on 2019 June 5 (Toshihiko Ikemura, Hirohisa Sato). 168P/Hergenrother was fainter than 18.5 mag on 2019 June 9 (Martin Masek). 178P/Hug-Bell was fainter than 20 mag on 2019 June 23 (Jean-Francois Soulier). 2019 July 2 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) 168P/Hergenrother 01 50 +06.7 14.7 3:03 (281, 27) 5:38 (213, 43) 261P/Larson 01 50 +17.1 16.4 3:03 (271, 32) 5:38 (207, 33) 101P/Chernykh 23 48 -05.4 17.4 3:03 (317, 40) 5:10 (180, 60) P/2012 K3 (Gibbs) 18 46 -12.1 17.5 0:10 ( 0, 43) 0:10 (180, 67) P/2006 H1 (McNaught) 16 23 -40.9 18.1 21:42 ( 0, 14) 21:42 ( 0, 84) P/2008 Y1 (Boattini) 02 25 +22.0 18.2 3:03 (261, 28) 5:38 (213, 25) 160P/LINEAR 19 02 -45.3 18.8 0:26 ( 0, 10) 0:26 ( 0, 80) P/2006 W1 (Gibbs) 19 24 -02.9 18.8 0:47 ( 0, 52) 0:47 (180, 58) P/2007 T4 (Gibbs) 05 06 +31.6 18.9 3:03 (233, 3) 5:38 (235, -5) P/2013 T2 (Schwartz) 18 40 -40.4 19.0 0:04 ( 0, 15) 0:04 ( 0, 85) P/2010 U2 (Hill) 02 20 +20.1 19.2 3:03 (264, 28) 5:38 (213, 28) 36P/Whipple 22 04 -02.6 19.3 3:03 (351, 52) 3:27 (180, 58) 254P/McNaught 18 07 +03.4 19.4 23:26 ( 0, 58) 23:26 (180, 52) P/2002 T5 (LINEAR) 00 32 -22.6 19.6 3:03 (318, 20) 5:38 (197, 77) P/2009 SK280 (Spacewatch-Hill) 00 42 -09.1 19.8 3:03 (307, 29) 5:38 (195, 63) (196256) 2003 EH1 05 12 +64.2 20.0 3:03 (206, 22) 5:38 (207,-25) 76P/West-Kohoutek-Ikemura 03 41 -01.8 20.0 3:03 (272, -1) 5:38 (247, 32) 198P/ODAS 08 40 +19.0 20.2 21:04 (114, -1) 18:29 (119, 7) 99P/Kowal 1 07 24 +25.7 20.2 21:04 (131,-10) 18:29 (113,-12) P/2012 O2 (McNaught) 00 56 -12.1 20.3 3:03 (306, 24) 5:38 (204, 65) P/2014 C1 (TOTAS) 12 24 +00.1 20.3 21:04 ( 64, 32) 18:29 (161, 54) P/2008 CL94 (Lemmon) 03 34 +21.3 20.4 3:03 (253, 13) 5:38 (228, 17) P/2012 SB6 (Lemmon) 20 05 -36.0 20.4 1:28 ( 0, 19) 1:28 ( 0, 89) 311P/PanSTARRS 18 09 -24.0 20.4 23:28 ( 0, 31) 23:28 (180, 79) P/2004 FY140 (LINEAR) 00 10 +02.1 20.5 3:03 (305, 42) 5:32 (180, 53) 114P/Wiseman-Skiff 00 47 +25.1 20.6 3:03 (271, 49) 5:38 (188, 29) 2P/Encke 00 27 +07.2 20.6 3:03 (296, 43) 5:38 (184, 48) 266P/Christensen 02 33 +16.0 20.6 3:03 (266, 23) 5:38 (218, 29) 163P/NEAT 05 41 +19.9 20.6 3:03 (236,-11) 5:38 (249, -4) 155P/Shoemaker 3 04 16 +17.7 20.6 3:03 (251, 3) 5:38 (238, 12) 178P/Hug-Bell 19 43 -23.2 20.7 1:06 ( 0, 32) 1:06 (180, 78) P/2011 R3 (Novichonok-Gerke) 18 28 +00.2 20.7 23:47 ( 0, 55) 23:47 (180, 55) 322P/SOHO 13 02 -26.8 20.8 21:04 ( 38, 17) 18:29 (167, 82) P/2006 F1 (Kowalski) 01 45 -09.2 20.8 3:03 (295, 18) 5:38 (223, 57) P/2014 MG4 (Spacewatch-PanSTARRS) 05 24 +29.6 20.8 3:03 (231, -2) 5:38 (239, -7) P/2013 R3 (Catalina-PanSTARRS) 04 31 +22.5 20.8 3:03 (245, 3) 5:38 (236, 7) 294P/LINEAR 06 45 +29.8 20.8 21:04 (141,-12) 18:29 (112,-21) P/2005 JD108 (Catalina-NEAT) 13 38 -10.7 20.9 21:04 ( 39, 35) 18:58 (180, 66) P/2011 U2 (Bressi) 18 01 -21.7 20.9 23:20 ( 0, 33) 23:20 (180, 77) P/1998 VS24 (LINEAR) 08 04 +18.0 20.9 21:04 (119, -9) 18:29 (113, 1) 124P/Mrkos 05 12 +46.2 21.0 3:03 (221, 11) 5:38 (223,-15) P/2002 EJ57 (LINEAR) 13 27 -14.7 21.1 21:04 ( 39, 31) 18:47 (180, 70) 244P/Scotti 21 45 -15.3 21.2 3:03 (359, 40) 3:08 (180, 70) 282P/(323137) 2003 BM80 07 25 +26.7 21.2 21:04 (132, -9) 18:29 (114,-12) 87P/Bus 07 29 +20.1 21.2 21:04 (126,-13) 18:29 (109, -7) P/2016 G1 (PanSTARRS) 09 33 +07.4 21.2 21:04 ( 97, 2) 18:29 (119, 24) P/2003 F2 (NEAT) 10 00 +15.6 21.3 21:04 (100, 12) 18:29 (130, 23) 82P/Gehrels 3 10 02 +11.0 21.3 21:04 ( 96, 10) 18:29 (127, 26) P/1999 XN120 (Catalina) 12 07 -06.2 21.3 21:04 ( 62, 24) 18:29 (150, 58) 119P/Parker-Hartley 17 02 -19.1 21.4 22:22 ( 0, 36) 22:22 (180, 74) P/2013 EW90 (Tenagra) 04 19 -04.7 21.4 3:03 (268,-10) 5:38 (256, 26) P/2007 VQ11 (Catalina) 00 27 +00.9 21.5 3:03 (302, 39) 5:38 (185, 54) P/2000 R2 (LINEAR) 01 26 +07.8 21.6 3:03 (284, 32) 5:38 (204, 44) 195P/Hill 22 18 +30.6 21.6 3:03 (297, 81) 3:40 (180, 24) P/2014 U2 (Kowalski) 23 21 -13.7 21.6 3:03 (330, 36) 4:43 (180, 69) 258P/PanSTARRS 06 31 +20.6 21.7 3:03 (227,-18) 5:38 (255,-15) P/2015 F1 (PanSTARRS) 05 35 +24.8 21.7 3:03 (234, -6) 5:38 (244, -6) 115P/Maury 11 51 +04.5 21.7 21:04 ( 74, 28) 18:29 (151, 47) P/1996 R2 (Lagerkvist) 04 04 +21.1 21.7 3:03 (249, 8) 5:38 (233, 12) 2005 CR16 00 18 -03.7 21.9 3:03 (308, 37) 5:38 (181, 59) 121P/Shoemaker-Holt 2 21 24 -29.7 22.0 2:47 ( 0, 25) 2:47 (180, 85) P/1999 RO28 (LONEOS) 03 35 +14.6 22.0 3:03 (259, 10) 5:38 (232, 22) P/2004 WR9 (LINEAR) 01 39 +08.8 22.2 3:03 (281, 30) 5:38 (208, 42) P/2010 TO20 (LINEAR-Grauer) 13 43 -10.4 22.3 21:04 ( 38, 36) 19:03 (180, 65) P/2012 O1 (McNaught) 03 59 +16.2 22.4 3:03 (254, 6) 5:38 (236, 16) (394130) 2006 HY51 11 52 +18.6 22.5 21:04 ( 88, 36) 18:29 (158, 34) P/2006 R1 (Siding Spring) 04 04 +24.0 22.7 3:03 (247, 9) 5:38 (231, 10) 9P/Tempel 1 04 58 +23.0 22.8 3:03 (240, -1) 5:38 (240, 1) 112P/Urata-Niijima 23 23 -39.8 23.0 3:03 (340, 12) 4:46 ( 0, 85) P/2011 V1 (Boattini) 04 14 +22.0 23.0 3:03 (247, 6) 5:38 (234, 10) 2014 XK6 05 55 +32.2 23.2 3:03 (225, -4) 5:38 (240,-14) 324P/La Sagra 11 11 -17.0 23.8 21:04 ( 63, 7) 18:29 (117, 58) 354P/LINEAR 01 06 +10.2 26.0 3:03 (285, 37) 5:38 (197, 43)