26p 20240113 kshima

26P/Grigg-Skjellerup and NGC6356
26P was travelling through globular cluster NGC6356. I measured its magnitude m1=12.2. This was taken altitude 12°.
2024.01.13.86706UT, 10*30s, 40cm RC + F6.5 Focal Reducer, FLI ML8300 2 bin, 80% cropping, taken in Nagano Pref., Japan.