M91 (NGC 4548)
Messier 91 (NGC 4548) is a barred spiral galaxy located in the constellation Coma Berenices in the Virgo Cluster of galaxies. M91 is 63,000,000 light years away from Earth.
M91 is best viewed during late spring, is magnitude 11, and can be viewed with small telescope. M91 is 5.4' x 4.3' in apparent 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.