M 31 or NGC 224, better known as the Andromeda galaxy, is a barred spiral galaxy about 2.5 million light-years from the Milky Way and it is the largest galaxy in the Local Group.
The glow that can be seen in the lower left is part of the galaxy M 110, a satellite of the Andromeda galaxy.
![](http://www.lucazanini.eu/WordPress/wp-content/uploads/2023/07/m31-1024x678.jpg)
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