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Updated on February 25, 2022 |
Go to Seiichi Yoshida's Diary of Comet Observations in 2023. |
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I observed 6 comets visually on Feb. 22 in Mt. Tsukuba, Ibaraki, Japan.
about 11.7 mag Dia. 1.6' DC 4 (40.0-cm reflector 144x)
Overlapping over a 12.45 mag star.
9.8 mag Dia. 4.0' DC 6-7 (40.0-cm reflector 36x)
Strongly condensed and easy to see.
12.4 mag Dia. 0.8' DC 2 (40.0-cm reflector 144x)
Very weakly diffuse.
9.2 mag Dia. 4.5' DC 4-5 (40.0-cm reflector 36x)
Bright and large.
12.3 mag Dia. 1.0' DC 3 (40.0-cm reflector 144x)
It became very faint and small.
10.7 mag Dia. 2.0' DC 3 (40.0-cm reflector 144x)
Diffuse and harder to see than expected.
Go to Seiichi Yoshida's Diary of Comet Observations in 2021. |