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Updated on December 16, 2020 |
Go to Seiichi Yoshida's Diary of Comet Observations in 2021. |
2020 Dec. 14 (8 comets)
I observed 8 comets visually on Dec. 14 in Mt. Hanadate, Ibaraki, Japan. I observed Geminids meteor shower. Although it was cloudy until evening, it became fine with very clear sky at night. I enjoyed Jupiter and Saturn in the same field! C/2019 L3 ( ATLAS )
C/2020 M3 ( ATLAS )
11P/Tempel-Swift-LINEAR
29P/Schwassmann-Wachmann 1
88P/Howell
141P/Machholz 2
156P/Russell-LINEAR
398P/Boattini
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2020 Nov. 21 (7 comets)
I observed 7 comets visually on Nov. 21 in Toride City and Mt. Tsukuba and Mt. Hanadate, Ibaraki, Japan. The weather was fine, although the sky was temporarily covered with thin clouds. In the evening, I enjoyed Jupiter and Saturn locating very close. In the morning, I enjoyed an extremely bright shooting star, about -6 or -7 mag, in the eastern sky at 4:49 (JST). C/2020 M3 ( ATLAS )
C/2020 S3 ( Erasmus )
11P/Tempel-Swift-LINEAR
29P/Schwassmann-Wachmann 1
88P/Howell
156P/Russell-LINEAR
398P/Boattini
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2020 Oct. 20 (5 comets)
I observed 5 comets visually on Oct. 20 in Mt. Tsukuba, Ibaraki, Japan. The weather was fine with no clouds. But the sky was not very clear. C/2020 M3 ( ATLAS )
C/2020 S3 ( Erasmus )
88P/Howell
156P/Russell-LINEAR
398P/Boattini
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2020 Sept. 21 (2 comets)
I observed 2 comets visually on Sept. 21 in Mt. Hanadate, Ibaraki, Japan. The weather was mainly cloudy, but I could have clear sky in a short time. I enjoyed star watching, Moon, Jupiter, Saturn and Mars. C/2019 U6 ( Lemmon )
88P/Howell
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2020 July 19 (1 comet)I observed C/2020 F3 ( NEOWISE ) visually on July 19 beside Tsurumi River in Yokohama City, Kanagawa, Japan. Finally I could see the great comet NEOWISE! It is already fading now, but I am glad I could observe it when it looks as a great comet. C/2020 F3 ( NEOWISE )
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2020 Mar. 21 (3 comets)I observed 3 comets visually on Mar. 21 in Mt. Tsukuba, Ibaraki, Japan. The weather was fine with no clouds. But the sky condition was not clear. I also tried to observe C/2019 Y1, but it was hidden by Mt. Tsukuba and I could not observe it. C/2017 T2 ( PanSTARRS )
C/2019 Y4 ( ATLAS )
C/2020 A2 ( Iwamoto )
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2020 Jan. 31 (6 comets)
I observed 6 comets visually on Jan. 31 in Mt. Hanadate, Ibaraki, Japan. The weather was fine and clear, although Moon shined in the evening. C/2017 T2 ( PanSTARRS )
C/2018 N2 ( ASASSN )
C/2019 Y1 ( ATLAS )
C/2020 A2 ( Iwamoto )
114P/Wiseman-Skiff
289P/Blanpain
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Go to Seiichi Yoshida's Diary of Comet Observations in 2019. |