Asteria — interactive night sky map
Messier 108 is a galaxy in the constellation Ursa Major with an apparent magnitude of 10.1, spanning about 4 arcminutes. A telescope is needed to observe it.
It is best placed in the evening sky around March. It is visible from the whole northern hemisphere and from southern latitudes down to about 34°S. It is circumpolar (never sets) north of latitude 34°N.