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Updated on May 7, 2024 |
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I observed 5 comets visually on May 3 and 4 in Kita-karuizawa, Gunma, Japan.
The weather was very fine with no clouds.
May 3 11.0 mag Dia. 1.9' DC 3-4 (40.0-cm reflector 75x)
May 4 11.2 mag Dia. 1.6' DC 4 (40.0-cm reflector 75x)
Bright and easy to see.
May 4 12.0 mag Dia. 1.8' DC 4-5 (40.0-cm reflector 144x)
Moderately condensed and well visible.
May 3 10.8 mag Dia. 0.9' DC 7-8 Tail 2.5' (p.a. 100 deg) (40.0-cm reflector 75x)
May 3 10.5 mag Dia. 2.3' DC 7 (40.0-cm reflector 36x)
May 4 11.1 mag Dia. 1.0' DC 7-8 Tail 4.2' (p.a. 110 deg) (40.0-cm reflector 75x)
May 4 10.8 mag Dia. 2.3' DC 7 (40.0-cm reflector 36x)
Very strong and sharp condensation. It looks very well with a long tail.
May 3 8.9 mag Dia. 3.3' DC 5 (40.0-cm reflector 75x)
May 4 9.3 mag Dia. 2.0' DC 5-6 (40.0-cm reflector 75x)
Very bright.
May 3 13.2 mag Dia. 0.7' DC 3 (40.0-cm reflector 144x)
May 4 13.0 mag Dia. 0.8' DC 3 (40.0-cm reflector 144x)
Unexpectedly, clearly visible. However, it seems faint although it was reported as 10 mag recently. Maybe I could see the central part only.
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I observed 12P visually on Mar. 29 in Miura City, Kanagawa, Japan.
After the heavy rain and strong wind until the afternoon, suddenly it became completely fine in the evening.
I enjoyed 12P/Pons-Brooks with a tail surrounded with a sound of the sea.
4.8 mag Dia. 7' DC 7 Tail 0.4 deg (p.a. 50 deg) (10x66 monocular)
It brightened furthermore.
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I observed 4 comets visually on Feb. 12 in Mt. Hanadate, Ibaraki, Japan.
It gives me such a profound feeling that we can see both 12P/Pons-Brooks and 13P/Olbers in the sky at the same time, although 13P is too faint to see visually.
13.0 mag Dia. 0.9' DC 4 (40.0-cm reflector 257x)
Not strongly condensed.
8.0 mag Dia. 4' DC 5-6 (40.0-cm reflector 75x)
Bright and strongly condensed, although it locates low in the evening glow.
fainter than 13.0 mag Dia. 0.5' (40.0-cm reflector 257x)
Not visible.
10.5 mag Dia. 2.5' DC 2 (40.0-cm reflector 75x)
Weakly condensed and diffuse.
Go to Seiichi Yoshida's Diary of Comet Observations in 2023. |