初観測待ちの彗星

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Updated on September 27, 2026

今週の明るい彗星、彗星カタログもご覧下さい。

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今回帰はまだ観測されていない周期彗星のうちの、明るいものです。

  • P/2010 H2 ( Vales ) は、2025年1月27日には22等以下でした(Erwin Schwab氏)。
  • 36P/Whipple は、2026年7月9日には20等以下でした(Jean-Francois Soulier氏)。
  • 373P/Rinner は、2026年9月14日には20等以下でした(Jean-Francois Soulier氏)。

2026 October 10 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)
252P/LINEAR                         11 06 +00.7  13.4   4:37 (276, 10)   3:58 (269,  1)
373P/Rinner                         08 31 +08.4  17.9   4:37 (296, 45)   3:58 (238, 26)
69P/Taylor                          07 00 +11.3  18.3   4:37 (322, 61)   3:58 (214, 37)
P/2004 V5 (LINEAR-Hill)             07 34 +36.9  18.4   4:37 (257, 69)   3:58 (209, 11)
P/2020 G1 (Pimentel)                19 05 +00.0  18.7  18:56 ( 27, 52)  19:36 (139, 47)
407P/PanSTARRS-Fuls                 13 15 -04.7  18.8  18:56 ( 94,-14)  19:36 ( 72,-16)
P/2011 N1 (ASH)                     21 06 -53.5  18.9  19:52 (  0,  2)  19:52 (  0, 72)
P/2009 B1 (Boattini)                08 21 +26.5  19.3   4:37 (274, 57)   3:58 (223, 14)
117P/Helin-Roman-Alu 1              07 55 +27.1  19.5   4:37 (278, 62)   3:58 (218, 17)
P/2017 S8 (PanSTARRS)               23 07 +05.1  19.6  21:51 (  0, 60)  21:51 (180, 50)
P/2017 D1 (Fuls)                    05 25 +14.0  19.8   4:12 (  0, 69)   3:58 (185, 41)
P/2010 D2 (WISE)                    22 04 +69.1  19.8  20:47 (180, 56)  20:47 (180,-14)
P/2007 K2 (Gibbs)                   10 49 +03.6  19.9   4:37 (276, 15)   3:58 (264,  2)
P/2011 V1 (Boattini)                02 31 +11.0  19.9   1:19 (  0, 66)   1:19 (180, 44)
P/2015 X3 (PanSTARRS)               02 26 -17.9  19.9   1:14 (  0, 37)   1:14 (180, 73)
2000 XO8                            07 33 +26.4  20.0   4:37 (284, 66)   3:58 (214, 20)
186P/Garradd                        09 27 +24.8  20.0   4:37 (267, 42)   3:58 (235,  5)
P/2019 A4 (PanSTARRS)               03 54 +00.2  20.1   2:41 (  0, 55)   2:41 (180, 55)
231P/LINEAR-NEAT                    09 07 +14.0  20.1   4:37 (283, 41)   3:58 (240, 16)
P/2019 B2 (Groeller)                10 13 +02.3  20.2   4:37 (283, 21)   3:58 (260, 10)
2015 VA108                          01 26 +22.0  20.2   0:14 (  0, 77)   0:14 (180, 33)
P/1996 R2 (Lagerkvist)              03 47 +20.2  20.3   2:35 (  0, 75)   2:35 (180, 35)
296P/Garradd                        12 06 -19.6  20.3   4:37 (284,-14)   3:58 (294,  1)
275P/Hermann                        11 26 +08.1  20.3   4:37 (267, 10)   3:58 (265, -8)
82P/Gehrels 3                       07 51 +20.3  20.5   4:37 (291, 60)   3:58 (221, 23)
P/2012 T3 (PanSTARRS)               17 36 -22.2  20.6  18:56 ( 38, 22)  19:36 ( 93, 46)
P/2022 BV9 (Lemmon)                 13 31 -18.1  20.7  18:56 ( 80,-18)  19:36 ( 64, -5)
P/2018 H2 (PanSTARRS)               10 02 +17.8  20.7   4:37 (270, 32)   3:58 (246,  3)
156P/Russell-LINEAR                 17 58 -39.8  20.8  18:56 ( 25,  9)  19:36 ( 69, 56)
77P/Longmore                        02 01 +22.4  20.8   0:49 (  0, 78)   0:49 (180, 32)
P/2017 U3 (PanSTARRS)               22 07 -09.3  20.8  20:52 (  0, 46)  20:52 (180, 64)
P/2011 P1 (McNaught)                15 33 -23.6  20.9  18:56 ( 59,  2)  19:36 ( 75, 22)
187P/LINEAR                         12 18 +09.2  20.9   4:37 (259,  0)   3:58 (272,-19)
P/2010 C1 (Scotti)                  06 15 +15.3  20.9   4:37 (342, 69)   3:58 (200, 37)
460P/PanSTARRS                      12 60 -03.8  20.9   4:37 (263,-16)   3:58 (290,-19)
340P/Boattini                       03 14 +20.6  21.0   2:02 (  0, 76)   2:02 (180, 34)
(944) Hidalgo                       16 09 -57.4  21.0  18:56 ( 29,-15)  19:36 ( 41, 39)
312P/NEAT                           18 01 -13.7  21.1  18:56 ( 38, 32)  19:36 (108, 46)
P/2005 T3 (Read)                    02 37 +16.8  21.1   1:25 (  0, 72)   1:25 (180, 38)
59P/Kearns-Kwee                     21 17 -12.4  21.2  20:01 (  0, 43)  20:01 (180, 67)
P/2023 B3 (PanSTARRS)               16 10 -12.8  21.2  18:56 ( 61, 16)  19:36 ( 90, 23)
(65803) Didymos                     17 40 -26.3  21.2  18:56 ( 35, 19)  19:36 ( 89, 49)
397P/Lemmon                         17 27 -33.4  21.2  18:56 ( 34, 12)  19:36 ( 77, 48)
246P/NEAT                           08 59 +29.0  21.2   4:37 (265, 50)   3:58 (228,  6)
2010 RH69                           12 54 -05.4  21.3   4:37 (265,-16)   3:58 (290,-18)
P/2013 W1 (PanSTARRS)               03 12 +09.4  21.3   2:00 (  0, 65)   2:00 (180, 45)
P/2010 H4 (Scotti)                  13 16 -07.2  21.3  18:56 ( 92,-15)  19:36 ( 70,-15)
469P/PanSTARRS                      17 48 -04.9  21.3  18:56 ( 47, 38)  19:36 (115, 38)
359P/LONEOS                         18 21 -17.0  21.3  18:56 ( 31, 32)  19:36 (109, 52)
282P/(323137) 2003 BM80             04 47 +27.8  21.3   3:35 (  0, 83)   3:35 (180, 27)
(551023) 2012 UQ192                 02 18 +00.2  21.4   1:06 (  0, 55)   1:06 (180, 55)
P/2021 A5 (PanSTARRS)               07 08 +41.2  21.4   4:37 (242, 73)   3:58 (202,  9)
P/2019 X2 (PanSTARRS)               07 56 +16.3  21.4   4:37 (296, 56)   3:58 (225, 25)
415P/Tenagra                        00 56 -16.5  21.4  23:40 (  0, 39)  23:40 (180, 71)
257P/Catalina                       13 56 -09.8  21.4  18:56 ( 84, -9)  19:36 ( 74, -5)
P/2010 H5 (Scotti)                  09 59 +25.2  21.4   4:37 (262, 36)   3:58 (240, -1)
94P/Russell 4                       22 52 -15.2  21.4  21:37 (  0, 40)  21:37 (180, 70)
P/2012 B1 (PanSTARRS)               05 40 +28.7  21.5   4:27 (  0, 84)   3:58 (187, 26)
P/2016 P1 (PanSTARRS)               12 02 -13.6  21.5   4:37 (280,-10)   3:58 (289, -2)
17P/Holmes                          14 32 -31.3  21.6  18:56 ( 61,-13)  19:36 ( 61, 14)
332P/Ikeya-Murakami                 09 03 +25.8  21.6   4:37 (269, 48)   3:58 (231,  8)
298P/Christensen                    06 31 +26.9  21.6   4:37 (310, 78)   3:58 (200, 25)
92P/Sanguin                         15 53 -04.9  21.7  18:56 ( 70, 18)  19:36 ( 95, 16)
2019 OE31                           14 26 -14.3  21.8  18:56 ( 76, -5)  19:36 ( 75,  3)
P/2012 O2 (McNaught)                02 55 -24.6  21.8   1:43 (  0, 31)   1:43 (180, 79)
118P/Shoemaker-Levy 4               19 06 -18.3  21.8  18:56 ( 19, 35)  19:36 (119, 61)
264P/Larsen                         11 02 -11.9  21.9   4:37 (287,  3)   3:58 (279,  9)
230P/LINEAR                         17 14 -18.8  22.0  18:56 ( 45, 22)  19:36 ( 94, 40)
336P/McNaught                       10 06 +04.5  22.0   4:37 (282, 24)   3:58 (257, 11)
176P/(118401) LINEAR                15 38 -19.6  22.1  18:56 ( 61,  5)  19:36 ( 80, 20)
P/2017 FL36 (PanSTARRS)             09 56 +13.0  22.4   4:37 (276, 31)   3:58 (249,  7)
412P/WISE                           14 00 -16.6  22.4  18:56 ( 77,-11)  19:36 ( 69,  0)
36P/Whipple                         16 53 -13.6  22.4  18:56 ( 53, 23)  19:36 ( 96, 33)
P/2010 H2 (Vales)                   18 23 -33.5  22.7  18:56 ( 23, 17)  19:36 ( 82, 60)
147P/Kushida-Muramatsu              14 29 -13.2  22.9  18:56 ( 76, -4)  19:36 ( 76,  3)
P/1999 XN120 (Catalina)             10 03 +09.6  23.1   4:37 (278, 27)   3:58 (252,  8)
141P/Machholz 2                     11 07 -05.3  23.1   4:37 (281,  6)   3:58 (274,  4)
P/2004 FY140 (LINEAR)               14 30 -16.6  23.1  18:56 ( 74, -6)  19:36 ( 73,  5)
P/2019 U4 (PanSTARRS)               07 35 +10.2  23.3   4:37 (310, 55)   3:58 (224, 33)
2008 BJ22                           20 44 -15.9  23.4  19:29 (  0, 39)  19:36 (175, 71)
(588045) 2007 FZ18                  20 16 -20.9  23.4  19:01 (  0, 34)  19:36 (149, 74)
316P/LONEOS-Christensen             11 27 -05.1  23.5   4:37 (278,  2)   3:58 (277,  0)
304P/Ory                            10 36 +11.0  23.9   4:37 (271, 21)   3:58 (256,  1)
(399457) 2002 PD43                  20 43 -09.1  24.1  19:28 (  0, 46)  19:36 (175, 64)
168P/Hergenrother                   08 53 +39.1  24.8   4:37 (250, 54)   3:58 (220,  0)
P/1999 J6 (SOHO)                    16 03 -24.2  29.8  18:56 ( 54,  7)  19:36 ( 79, 28)

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