This post is also available in: 日本語 (Japanese)
C / 2021 A1 Leonard 2121-11-28 04:24 (JST)
45cm F / 4 Newtonian Field / 40′ x 25 ′
30s x 10 frames
The image is worse than yesterday, probably because of the nearby crescent moon, moonlight, and bad air. You can see a little fine structure of the comet’s tail