M108 (NGC 3556) is a barred spiral galaxy located within the constellation Ursa Major in the Ursa Major Group of galaxies.
M108 is best viewed during early spring, is magnitude 11.0*, and can be viewed with small telescope. It is 8 x 1' in size. For reference, the full moon is 30' (arc minutes) in size.
* The naked eye can see up to magnitude 8 objects under ideal dark sky conditions.
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