M31 - Andromeda Galaxy - Chuck Novice

Constellation: Andromeda
Type of object: Spiral Galaxy
Size: 2.5 million light-years
Magnitude: 3.4
Discovered in : 964

Fun Facts !
Included by Charles Messier at number 31 in his catalog in 1764, this object had nevertheless already been known for millennia by various civilizations.

This galaxy has 2 satellites: M32 (nebulous disk above), and M110 (small elliptical galaxy below).

In 4 billion years' time, M31 will “collide” with the Milky Way, generating a flare-up of star creation as gas is compressed in the process, creating a giant elliptical galaxy already named Lactomeda: https://hubblesite.org/contents/media/images/2012/20/3028-Image.html