Messier 81 (M81) and Messier 82 (M82) are galaxies in the Ursa Major constellation.

Image shows the M81/M82 galaxy region, uncropped, FSQ 106 telescope at f/5 + 11000M camera. LRGB, 160 total minutes.

Enlargement of original, which can be downloaded at full resolution, reveals at least 5 other very faint, “small” galaxies.

Click for larger view and more details (including purchasing options).