I don't have a lot of targets this time of the year because my view is blocked by buildings, so I gave this one a try because I haven't really seen it imaged here. Not bad for a small galaxy 59 million light years away!
Roughly 20 hours of integration from a bortle 9 location (Paris, France)
Equipment and acquisition:
– Seestar S50, 30 sec subs, EQ mode
– Optolong L-Pro filter
Processing (PI and Siril)
– WBPP, 2x drizzle
– SetiAstro DBE, blurX, noiseX, starX
– Starless image: several manual curves transformation steps with range and color masks, CreateHDRImage
– Stars: SetiAstro star stretch
– Star recomposition in Siril
– Final color retouches in LightRoom
by Techno-Scientist