The <b><a href="https://en.wikipedia.org/wiki/Andromeda_Galaxy" class="extiw" title="en:Andromeda Galaxy">Andromeda Galaxy</a></b> is a spiral galaxy approximately 2.5 million light-years away in the constellation Andromeda. The image also shows <a href="https://en.wikipedia.org/wiki/Messier_Objects" class="extiw" title="en:Messier Objects">Messier Objects</a> <a href="https://en.wikipedia.org/wiki/Messier_32" class="extiw" title="en:Messier 32">32</a> and <a href="https://en.wikipedia.org/wiki/Messier_110" class="extiw" title="en:Messier 110">110</a>, as well as <a href="https://en.wikipedia.org/wiki/NGC_206" class="extiw" title="en:NGC 206">NGC 206</a> (a bright star cloud in the Andromeda Galaxy) and the star <a href="https://en.wikipedia.org/wiki/Nu_Andromedae" class="extiw" title="en:Nu Andromedae">Nu Andromedae</a>. This image was taken using a <a href="https://en.wikipedia.org/wiki/hydrogen-alpha" class="extiw" title="en:hydrogen-alpha">hydrogen-alpha</a> filter.
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/8269775@N05">Adam Evans</a>
CC BY 2.0
<p><a rel="nofollow" class="external text" href="https://www.flickr.com/photos/astroporn/4999978603/">M31, the Andromeda Galaxy (now with h-alpha)</a>
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<ul><li>Uploaded by <a href="//commons.wikimedia.org/wiki/User:NotFromUtrecht" title="User:NotFromUtrecht">NotFromUtrecht</a></li></ul>