M106 (NGC 4258) is a spiral galaxy located within the constellation Ursa Major in the CVn II Group of galaxies.
M106 is best viewed during early spring, is magnitude 9.5*, and can be viewed with large binoculars. It is 19 x 8' 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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