C/2023 P1 (Nishimura), 2023/08/29.8085, 32*60s, 20cmF8 RC x0.75RD, ASI294MC Pro (Bin=1, Gain=390, Temp=0), Square Crop, mag=7.0(SI9) ブログ記事 https://kem4.cocolog-nifty.com/blog/2023/08/post-92d2f9.html 関連動画 https://www.youtube.com/watch?v=ijm4En7Od9I