Comets Waiting for First Observation

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Updated on April 13, 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.

  • 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/2011 CR42 ( Catalina ) was fainter than 19 mag on 2017 Apr. 28 (Jean-Francois Soulier).
  • 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).

2018 April 16 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)
64P/Swift-Gehrels           21 31 -14.8  17.9   3:58 (301, 15)   4:59 (254, 46)
P/2001 T3 (NEAT)            02 08 +07.7  18.3  20:01 (110,-13)  18:59 ( 93,-10)
P/2011 CR42 (Catalina)      14 32 -08.7  18.5   0:57 (  0, 46)   0:57 (180, 64)
P/2008 O2 (McNaught)        22 37 -08.6  18.7   3:58 (285,  6)   4:59 (260, 29)
107P/(4015) Wilson-Harring. 23 19 -02.9  18.8   3:58 (275,  1)   4:59 (261, 17)
P/2002 EJ57 (LINEAR)        06 37 +25.6  19.0  20:01 ( 89, 50)  18:59 (151, 23)
253P/PanSTARRS              00 56 +03.6  19.1   3:58 (255,-15)   4:59 (270, -6)
P/1999 XN120 (Catalina)     08 22 +16.2  19.1  20:01 ( 47, 64)  18:59 (176, 39)
243P/NEAT                   23 21 -10.1  19.2   3:58 (280, -3)   4:59 (268, 21)
P/2006 F1 (Kowalski)        21 59 -15.9  19.5   3:58 (297,  9)   4:59 (261, 41)
P/2005 R1 (NEAT)            22 21 +01.8  19.9   3:58 (279, 16)   4:59 (248, 26)
P/1998 VS24 (LINEAR)        03 21 +14.4  19.9  20:01 (104,  5)  18:59 (108,  1)
P/2013 J4 (PanSTARRS)       20 30 -20.3  20.1   3:58 (316, 21)   4:59 (247, 61)
P/2010 A1 (Hill)            00 18 -04.8  20.2   3:58 (268,-12)   4:59 (271,  6)
223P/Skiff                  22 28 -24.5  20.2   3:58 (299, -1)   4:59 (275, 39)
79P/du Toit-Hartley         05 12 +22.9  20.2  20:01 ( 97, 32)  18:59 (132, 15)
245P/WISE                   21 47 -20.0  20.2   3:58 (302,  9)   4:59 (263, 45)
P/2004 FY140 (LINEAR)       22 02 -12.3  20.2   3:58 (293, 11)   4:59 (257, 38)
P/2003 L1 (Scotti)          09 17 +05.7  20.3  20:01 ( 11, 60)  19:40 (180, 49)
P/2008 CL94 (Lemmon)        01 17 +06.3  20.4   3:58 (249,-17)   4:59 (271,-12)
P/2009 SK280 (Spacew.-Hill) 21 22 -32.3  20.4   3:58 (315,  4)   4:59 (278, 55)
P/2005 Y2 (McNaught)        12 03 +23.8  20.6  22:25 (  0, 79)  22:25 (180, 31)
215P/NEAT                   16 14 -21.2  20.6   2:40 (  0, 34)   2:40 (180, 76)
P/2005 GF8 (LONEOS)         09 00 +16.8  20.6  20:01 ( 28, 70)  19:23 (180, 38)
P/2013 R3 (Catalina-PanST.) 20 28 -19.9  20.7   3:58 (316, 21)   4:59 (246, 61)
197P/LINEAR                 23 56 -19.0  20.7   3:58 (283,-15)   4:59 (281, 19)
82P/Gehrels 3               05 26 +22.6  20.8  20:01 ( 95, 34)  18:59 (135, 17)
254P/McNaught               15 57 +19.5  21.0   2:22 (  0, 74)   2:22 (180, 36)
232P/Hill                   02 25 +11.1  21.1  20:01 (110, -8)  18:59 ( 98, -9)
P/2002 T5 (LINEAR)          22 33 -21.9  21.1   3:58 (296, -1)   4:59 (272, 37)
P/2010 H2 (Vales)           16 22 -18.3  21.2   2:47 (  0, 37)   2:47 (180, 73)
231P/LINEAR-NEAT            05 35 +16.9  21.2  20:01 ( 88, 33)  18:59 (133, 23)
99P/Kowal 1                 04 59 +26.0  21.3  20:01 (102, 30)  18:59 (132, 10)
17P/Holmes                  11 32 -12.7  21.3  21:54 (  0, 42)  21:54 (180, 68)
P/2011 U2 (Bressi)          16 18 -26.1  21.4   2:44 (  0, 29)   2:44 (180, 81)
246P/NEAT                   06 20 +30.3  21.4  20:01 ( 98, 48)  18:59 (150, 17)
P/2011 R3 (Novichonok-Ger.) 17 11 -04.2  21.4   3:36 (  0, 51)   3:36 (180, 59)
331P/Gibbs                  15 54 -17.2  21.7   2:19 (  0, 38)   2:19 (180, 72)
263P/Gibbs                  17 55 -13.4  21.8   3:58 (353, 41)   4:20 (180, 68)
282P/(323137) 2003 BM80     04 05 +25.3  21.8  20:01 (108, 19)  18:59 (123,  2)
P/2010 TO20 (LINEAR-Grauer) 12 16 +00.2  22.3  22:37 (  0, 55)  22:37 (180, 55)
54P/de Vico-Swift-NEAT      05 29 +28.5  23.6  20:01 (101, 38)  18:59 (139, 13)
2005 HC4                    11 53 +12.4  25.0  22:14 (  0, 67)  22:14 (180, 43)

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