Several bright galaxies are found in Ursa Major , including the pair Messier 81 ( one of the brightest galaxies in the sky ) and Messier 82 above the bear 's head , and Pinwheel Galaxy ( M101 ) , a spiral northeast of η Ursae Majoris .
Several bright galaxies are found in Ursa Major , including the pair Messier 81 ( one of the brightest galaxies in the sky ) and Messier 82 above the bear 's head , and the Pinwheel Galaxy ( M101 ) , a beautiful spiral galaxy northwest of the star η Ursae Majoris .