Comets Waiting for First Observation

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Updated on April 22, 2017

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/2006 F1 ( Kowalski ) was fainter than 19 mag on 2016 May 30 (Jean-Francois Soulier).
  • 82P/Gehrels 3 was fainter than 20 mag on 2016 Nov. 8 (Jean-Francois Soulier).
  • P/2010 A2 ( LINEAR ) was fainter than 20 mag on 2016 Nov. 30 (Jean-Francois Soulier).
  • 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/2011 CR42 ( Catalina ) was fainter than 21.0 mag on 2017 Jan. 7 (Erwin Schwab).
  • P/2010 TO20 ( LINEAR-Grauer ) was fainter than 22.0 mag on 2017 Jan. 27 (Erwin Schwab).
  • P/2003 L1 ( Scotti ) was fainter than 21.5 mag on 2017 Mar. 24 (Erwin Schwab).
  • P/2010 H2 ( Vales ) was fainter than 21.5 mag on 2017 Mar. 28 (Erwin Schwab).

2017 April 26 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)
103P/Hartley 2              02 38 +14.4  11.0  20:13 (118,-13)  18:48 ( 99,-14)
213P/Van Ness               19 08 -33.4  14.5   3:43 (345, 20)   4:53 (180, 88)
P/2000 S1 (Skiff)           23 14 -23.3  16.8   3:43 (295, -5)   5:07 (273, 39)
P/2006 F1 (Kowalski)        19 04 -09.6  18.2   3:43 (338, 43)   4:49 (180, 65)
255P/Levy                   04 03 +22.5  18.5  20:13 (112,  8)  18:48 (117, -2)
P/1999 XN120 (Catalina)     04 29 +23.6  18.9  20:13 (110, 13)  18:48 (121,  2)
P/2008 O2 (McNaught)        19 54 -28.2  19.0   3:43 (333, 21)   5:07 (227, 80)
145P/Shoemaker-Levy 5       00 08 -05.4  19.0   3:43 (273, -5)   5:07 (264, 18)
251P/LINEAR                 13 19 -17.1  19.0  23:00 (  0, 38)  23:00 (180, 72)
P/2004 FY140 (LINEAR)       20 02 -22.0  19.3   3:43 (328, 26)   5:07 (216, 74)
(343158) 2009 HC82          15 16 +25.4  19.6   1:02 (  0, 80)   1:02 (180, 30)
P/2013 J4 (PanSTARRS)       07 50 +25.5  19.8  20:13 ( 86, 54)  18:48 (161, 27)
D/1952 B1 (Harrington-Wil.) 08 09 +32.8  19.9  20:13 ( 96, 61)  18:48 (168, 21)
P/2010 D1 (WISE)            23 04 -04.4  20.1   3:43 (282,  9)   5:07 (252, 31)
212P/NEAT                   14 14 +21.7  20.1  23:55 (  0, 77)  23:55 (180, 33)
P/1998 VS24 (LINEAR)        00 29 +01.6  20.2   3:43 (264, -5)   5:07 (261, 10)
P/2004 T1 (LINEAR-NEAT)     22 45 -18.2  20.2   3:43 (295,  4)   5:07 (263, 42)
P/2013 R3 (Catalina-PanST.) 14 22 -15.2  20.3   0:08 (  0, 40)   0:08 (180, 70)
P/2009 SK280 (Spacew.-Hill) 18 20 -37.6  20.4   3:43 (355, 17)   4:05 (  0, 87)
P/2009 S2 (McNaught)        20 11 -08.6  20.6   3:43 (318, 36)   5:07 (206, 61)
P/2008 CL94 (Lemmon)        00 16 -03.0  20.8   3:43 (270, -5)   5:07 (263, 15)
96P/Machholz 1              21 45 -42.0  20.8   3:43 (321, -3)   5:07 (295, 61)
137P/Shoemaker-Levy 2       16 49 -21.1  20.8   2:34 (  0, 34)   2:34 (180, 76)
107P/(4015) Wilson-Harring. 13 49 -14.7  20.9  23:30 (  0, 40)  23:30 (180, 70)
236P/LINEAR                 20 29 -07.6  20.9   3:43 (313, 35)   5:07 (213, 59)
169P/NEAT                   16 14 -08.0  20.9   1:59 (  0, 47)   1:59 (180, 63)
31P/Schwassmann-Wachmann 2  01 32 +05.6  21.0   3:43 (251,-15)   5:07 (267, -5)
P/2008 T4 (Hill)            22 21 -16.5  21.1   3:43 (298,  9)   5:07 (257, 46)
P/2011 CR42 (Catalina)      08 10 +28.6  21.1  20:13 ( 88, 60)  18:48 (167, 25)
P/2010 P4 (WISE)            22 56 -25.6  21.1   3:43 (300, -3)   5:07 (274, 44)
P/2003 L1 (Scotti)          07 47 +12.3  21.2  20:13 ( 69, 47)  18:48 (155, 39)
223P/Skiff                  18 39 -54.0  21.2   3:43 (354,  1)   4:23 (  0, 71)
P/2005 Y2 (McNaught)        10 36 +28.7  21.3  20:18 (  0, 84)  20:18 (180, 26)
245P/WISE                   11 03 -19.1  21.3  20:45 (  0, 36)  20:45 (180, 74)
147P/Kushida-Muramatsu      10 24 +12.9  21.3  20:13 (  4, 68)  20:06 (180, 42)
182P/LONEOS                 05 56 +36.5  21.4  20:13 (113, 36)  18:48 (144,  6)
P/2010 H2 (Vales)           10 29 +27.6  21.5  20:13 (  2, 82)  20:11 (180, 28)
82P/Gehrels 3               02 41 +15.9  21.7  20:13 (119,-12)  18:48 (100,-14)
228P/LINEAR                 00 57 +03.5  21.9   3:43 (259,-10)   5:07 (263,  3)
246P/NEAT                   04 47 +22.7  21.9  20:13 (107, 16)  18:48 (123,  6)
P/2010 TO20 (LINEAR-Grauer) 10 33 +11.6  22.5  20:15 (  0, 67)  20:15 (180, 43)
224P/LINEAR-NEAT            09 46 +28.0  22.7  20:13 ( 56, 78)  19:28 (180, 27)
D/1978 R1 (Haneda-Campos)   05 48 +26.1  23.7  20:13 (103, 30)  18:48 (136, 13)
18D/Perrine-Mrkos           03 37 +17.4  25.0  20:13 (112,  0)  18:48 (109, -4)
P/2010 A2 (LINEAR)          08 26 +17.9  25.6  20:13 ( 66, 57)  18:48 (168, 36)

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