Comets Waiting for First Observation

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Updated on July 5, 2018

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.

  • 243P/NEAT was observed on 2018 May 16 at 20.5 mag by Hidetaka Sato, 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/2008 O2 ( McNaught ) was fainter than 21.5 mag on 2017 June 22 (Erwin Schwab).
  • 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).
  • 54P/de Vico-Swift-NEAT was fainter than 21.0 mag on 2017 Aug. 28 (Hidetaka Sato), fainter than 18.5 mag on 2017 Nov. 11 (Toshihiko Ikemura).
  • P/2001 T3 ( NEAT ) was fainter than 21.0 mag on 2017 Nov. 22 (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).

2018 July 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)
243P/NEAT                   01 36 +01.1  17.8   3:12 (298, 36)   5:36 (195, 53)
P/2001 T3 (NEAT)            04 55 +24.4  18.0   3:12 (247, 10)   5:36 (232,  8)
P/2008 O2 (McNaught)        23 27 -00.8  18.1   3:12 (338, 52)   4:05 (180, 56)
P/2011 V1 (Boattini)        17 04 -33.7  18.2  21:39 (  0, 21)  21:39 (180, 89)
79P/du Toit-Hartley         08 49 +16.4  18.2  20:58 (117, -9)  18:34 (111,  1)
P/2010 A1 (Hill)            03 02 +12.9  18.7   3:12 (272, 26)   5:36 (217, 34)
223P/Skiff                  23 37 -14.0  18.8   3:12 (340, 39)   4:15 (180, 69)
P/2013 R3 (Catalina-PanST.) 21 17 -16.7  18.8   1:56 (  0, 38)   1:56 (180, 72)
253P/PanSTARRS              04 12 +17.3  19.0   3:12 (259, 14)   5:36 (229, 21)
P/2006 F1 (Kowalski)        22 40 -18.5  19.1   3:12 (358, 37)   3:18 (180, 73)
P/2002 EJ57 (LINEAR)        09 11 +16.6  19.4  20:58 (114, -4)  18:34 (114,  5)
P/2009 SK280 (Spacew.-Hill) 21 43 -36.2  19.7   2:22 (  0, 19)   2:22 (  0, 89)
P/2013 J4 (PanSTARRS)       21 01 -22.5  19.7   1:40 (  0, 33)   1:40 (180, 77)
P/2004 FY140 (LINEAR)       22 22 -10.2  19.8   3:01 (  0, 45)   3:01 (180, 65)
P/1998 VS24 (LINEAR)        05 25 +19.2  20.0   3:12 (247,  1)   5:36 (241,  7)
P/1999 XN120 (Catalina)     09 43 +10.4  20.1  20:58 (104, -2)  18:34 (114, 15)
232P/Hill                   04 21 +21.2  20.1   3:12 (254, 15)   5:36 (228, 16)
P/2008 CL94 (Lemmon)        02 10 +11.9  20.5   3:12 (281, 36)   5:36 (203, 40)
P/2002 T5 (LINEAR)          22 53 -24.8  20.5   3:12 (355, 30)   3:31 (180, 80)
P/2003 L1 (Scotti)          09 55 +04.7  20.6  20:58 ( 98, -3)  18:34 (112, 21)
P/2005 GF8 (LONEOS)         09 54 +12.4  20.6  20:58 (104,  1)  18:34 (118, 15)
P/2005 Y2 (McNaught)        12 03 +19.2  20.8  20:58 ( 92, 31)  18:34 (149, 29)
231P/LINEAR-NEAT            07 30 +18.3  20.8  20:58 (132,-21)  18:34 (101,-16)
254P/McNaught               15 17 +18.0  21.0  20:58 ( 45, 67)  19:52 (180, 37)
82P/Gehrels 3               07 22 +21.4  21.0   3:12 (226,-18)   5:36 (255,-17)
99P/Kowal 1                 06 05 +26.7  21.2   3:12 (235, -1)   5:36 (241, -5)
P/2011 R3 (Novichonok-Ger.) 16 36 -01.8  21.3  21:11 (  0, 53)  21:11 (180, 57)
246P/NEAT                   07 41 +29.0  21.3  20:58 (137,-11)  18:34 (112,-19)
P/2011 U2 (Bressi)          15 41 -23.2  21.4  20:58 ( 11, 31)  20:16 (180, 78)
P/2010 H2 (Vales)           15 31 -20.9  21.5  20:58 ( 14, 33)  20:07 (180, 76)
282P/(323137) 2003 BM80     05 33 +27.9  21.7   3:12 (239,  5)   5:36 (235,  0)
17P/Holmes                  11 35 -11.0  21.8  20:58 ( 70,  8)  18:34 (117, 50)
197P/LINEAR                 02 42 -08.0  22.5   3:12 (293, 18)   5:36 (227, 54)
P/2010 TO20 (LINEAR-Grauer) 12 15 -00.3  22.7  20:58 ( 73, 22)  18:34 (139, 48)
263P/Gibbs                  16 42 -16.0  23.3  21:17 (  0, 39)  21:17 (180, 71)
54P/de Vico-Swift-NEAT      07 33 +26.2  24.8  20:58 (137,-14)  18:34 (109,-19)
2005 HC4                    11 41 +08.9  26.9  20:58 ( 86, 21)  18:34 (137, 35)

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