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Updated on October 23, 2023 |
Go to Seiichi Yoshida's Diary of Comet Observations in 2024. |
2023 Oct. 20 (2 comets)
I observed 2 comets visually on Oct. 20 in Kita-karuizawa, Gunma, Japan. C/2023 H2 ( Lemmon )
103P/Hartley 2
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2023 Aug. 29 (3 comets)
I observed 3 comets visually on Aug. 29 in Mt. Tsukuba, Ibaraki, Japan. I went to observe the bright new comet C/2023 P1 ( Nishimura ). The weather was very humid, and the summit of Mt. Tsukuba was often covered with clouds. But fortunately, the eastern sky was clear down to the horizon, and I could see Comet Nishimura. C/2020 V2 ( ZTF )
C/2023 P1 ( Nishimura )
2P/Encke
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2023 July 22 (5 comets)I observed 5 comets visually on July 22 in Mt. Tsukuba, Ibaraki, Japan, and in Toride City, Ibaraki, Japan. I went to observe 12P/Pons-Brooks just in outburst. It is really amazing to observe this comet for the first time in such an unexpected event. C/2020 V2 ( ZTF )
C/2022 A2 ( PanSTARRS )
C/2023 E1 ( ATLAS )
12P/Pons-Brooks
237P/LINEAR
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2023 July 16-17 (6 comets)
I observed 6 comets visually on July 16 and 17 in Kita-karuizawa, Gunma, Japan. The weather was fine, but very hot and somewhat humid. C/2020 V2 ( ZTF )
C/2022 A2 ( PanSTARRS )
C/2023 E1 ( ATLAS )
126P/IRAS
185P/Petriew
237P/LINEAR
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Go to Seiichi Yoshida's Diary of Comet Observations in 2022. |