The Andromeda Galaxy
Messier 31 - The Andromeda Galaxy, imaged in HaLRGB under Bortle 1 skies over the course of only two nights.
Messier 31 - The Andromeda Galaxy, imaged in HaLRGB under Bortle 1 skies over the course of only two nights.
The basics of creating and using process icons.
The most effective background extraction method which is surprisingly simple.
A comprehensive guide to separating, independently processing, generating synthetic narrowband stars, and introducing stars into any image.