The Andromeda Galaxy is a spiral galaxy approximately 2.5 million light-years away in the constellation Andromeda. The image also shows Messier Objects 32 and 110, as well as NGC 206 (a bright star cloud in the Andromeda Galaxy) and the star Nu Andromedae. This image was taken using a hydrogen-alpha filter.

Image: “Andromeda Galaxy (with h-alpha)” by Adam Evans, licensed CC BY 2.0, from Wikimedia Commons.

Credit and licence

Creator
Adam Evans
Licence
CC BY 2.0
Terms
Attribution required; changes must be indicated (resized and recompressed for the app). Commercial use and redistribution permitted.
Source
Wikimedia Commons
Credit line
“Andromeda Galaxy (with h-alpha)” by Adam Evans (CC BY 2.0), via Wikimedia Commons