Comets Waiting for First Observation

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Updated on May 19, 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). 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 2018 Dec. 10 (Toshihiko Ikemura, Hirohisa Sato), fainter than 19 mag on 2019 Mar. 28 (Jean-Francois Soulier). 2019 June 3 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) 261P/Larson 00 53 +10.5 17.0 3:02 (269, 17) 5:30 (227, 31) 168P/Hergenrother 00 34 -07.8 17.3 3:02 (287, 10) 5:30 (238, 48) P/2012 K3 (Gibbs) 18 59 -09.2 17.9 2:16 ( 0, 46) 2:16 (180, 64) 101P/Chernykh 23 21 -07.2 18.1 3:02 (299, 24) 5:30 (213, 58) P/2006 H1 (McNaught) 16 45 -41.4 18.5 0:03 ( 0, 14) 0:03 ( 0, 84) P/2007 T4 (Gibbs) 03 51 +25.8 19.1 3:02 (231, -8) 5:30 (246,-10) P/2008 Y1 (Boattini) 00 58 +14.0 19.4 3:02 (265, 18) 5:30 (226, 27) P/2006 W1 (Gibbs) 19 38 -02.9 19.5 2:55 ( 0, 52) 2:55 (180, 58) 254P/McNaught 18 26 +04.9 19.5 1:43 ( 0, 60) 1:43 (180, 50) P/2010 U2 (Hill) 01 37 +13.9 19.5 3:02 (260, 10) 5:30 (234, 21) 36P/Whipple 21 58 -03.6 19.7 3:02 (314, 40) 5:15 (180, 58) P/2014 C1 (TOTAS) 11 25 +06.2 19.8 20:53 ( 54, 48) 18:40 (180, 49) P/2013 T2 (Schwartz) 19 02 -38.4 19.8 2:20 ( 0, 17) 2:20 ( 0, 87) P/2002 T5 (LINEAR) 00 20 -21.4 19.9 3:02 (300, 4) 5:30 (252, 59) 198P/ODAS 07 44 +22.1 20.0 20:53 (108, 13) 18:25 (131, 15) P/2009 SK280 (Spacewatch-Hill) 00 26 -10.3 20.0 3:02 (290, 10) 5:30 (239, 51) 160P/LINEAR 19 23 -44.2 20.1 2:41 ( 0, 11) 2:41 ( 0, 81) 99P/Kowal 1 06 60 +26.5 20.3 20:53 (117, 8) 18:25 (127, 5) P/2007 R1 (Larson) 16 40 -13.3 20.3 23:53 ( 0, 42) 23:53 (180, 68) P/2008 CL94 (Lemmon) 03 12 +19.7 20.3 3:02 (242, -5) 5:30 (245, 1) P/2012 O2 (McNaught) 23 50 -10.0 20.4 3:02 (296, 17) 5:30 (227, 57) (196256) 2003 EH1 01 44 +64.1 20.4 3:02 (211, 31) 5:30 (201,-17) P/2013 R3 (Catalina-PanSTARRS) 03 35 +19.9 20.6 3:02 (238, -9) 5:30 (248, -4) P/2002 EJ57 (LINEAR) 13 23 -14.8 20.6 20:53 ( 5, 40) 20:36 (180, 70) P/2004 FY140 (LINEAR) 00 01 +01.0 20.7 3:02 (285, 22) 5:30 (221, 46) 163P/NEAT 04 32 +16.9 20.8 3:02 (230,-21) 5:30 (259,-13) P/1998 VS24 (LINEAR) 07 31 +19.1 20.8 20:53 (107, 9) 18:25 (127, 15) P/2014 MG4 (Spacewatch-PanSTARRS) 05 01 +29.3 20.8 20:53 (137,-10) 18:25 (114,-18) P/2011 R3 (Novichonok-Gerke) 18 42 -00.2 20.8 1:59 ( 0, 55) 1:59 (180, 55) P/2005 JD108 (Catalina-NEAT) 13 41 -11.2 20.8 20:55 ( 0, 44) 20:55 (180, 66) P/2012 SB6 (Lemmon) 20 18 -34.1 20.8 3:02 (353, 21) 3:35 (180, 89) P/2006 F1 (Kowalski) 01 21 -09.3 20.9 3:02 (281, 0) 5:30 (251, 40) 2P/Encke 00 16 +05.2 20.9 3:02 (279, 21) 5:30 (222, 41) 311P/PanSTARRS 18 40 -24.7 20.9 1:58 ( 0, 30) 1:58 (180, 80) P/2011 U2 (Bressi) 18 17 -22.1 21.0 1:34 ( 0, 33) 1:34 (180, 77) 266P/Christensen 01 54 +12.3 21.0 3:02 (259, 5) 5:30 (238, 20) P/1999 XN120 (Catalina) 11 56 -05.7 21.0 20:53 ( 36, 43) 19:11 (180, 61) 82P/Gehrels 3 09 35 +13.3 21.1 20:53 ( 84, 31) 18:25 (150, 37) P/2016 G1 (PanSTARRS) 08 59 +08.9 21.1 20:53 ( 86, 21) 18:25 (138, 36) P/2003 F2 (NEAT) 09 26 +19.8 21.2 20:53 ( 92, 33) 18:25 (151, 30) 124P/Mrkos 04 11 +43.8 21.3 3:02 (216, 3) 5:30 (232,-23) 87P/Bus 06 44 +21.1 21.3 20:53 (115, 1) 18:25 (121, 6) 282P/(323137) 2003 BM80 06 52 +27.7 21.4 20:53 (119, 7) 18:25 (127, 3) P/2013 EW90 (Tenagra) 03 46 -05.0 21.5 3:02 (256,-27) 5:30 (270, 9) P/1996 R2 (Lagerkvist) 03 13 +18.0 21.7 3:02 (243, -6) 5:30 (247, 1) (394130) 2006 HY51 11 35 +25.0 21.7 20:53 ( 78, 61) 18:49 (180, 30) 258P/PanSTARRS 05 53 +20.4 21.7 20:53 (122, -8) 18:25 (113, -3) P/2015 F1 (PanSTARRS) 05 01 +24.1 21.7 20:53 (133,-14) 18:25 (109,-15) P/2012 O1 (McNaught) 02 53 +11.9 22.0 3:02 (250, -7) 5:30 (249, 9) P/2010 TO20 (LINEAR-Grauer) 13 46 -10.5 22.2 20:59 ( 0, 44) 20:59 (180, 66) 121P/Shoemaker-Holt 2 21 28 -27.6 22.2 3:02 (335, 23) 4:45 (180, 83) 79P/du Toit-Hartley 23 15 -02.3 22.4 3:02 (296, 29) 5:30 (207, 54) 2014 XK6 04 33 +29.5 22.5 3:02 (221,-11) 5:30 (247,-20) P/2011 V1 (Boattini) 03 30 +19.1 22.7 3:02 (239, -9) 5:30 (248, -2) 324P/La Sagra 10 49 -17.9 23.6 20:53 ( 44, 23) 18:25 (163, 72) P/2005 J1 (McNaught) 23 42 +29.1 24.4 3:02 (259, 40) 5:30 (201, 22) 354P/LINEAR 00 27 +05.1 26.3 3:02 (277, 19) 5:30 (225, 39) 2016 GU2 11 45 -00.0 28.1 20:53 ( 43, 46) 19:00 (180, 55)