Messier 81 is a spiral galaxy located in Ursa Major, it is the largest galaxy in the M81 galaxy group, which is a relatively close grouping of galaxies. It is often called Bode's Galaxy after its discovery by Johann Bode in 1774.
Messier 82, the other prominent galaxy in the image is often called the Cigar Galaxy, it was also first discovered by Johann Bode. M82 is a star burst galaxy as it is undergoing an increased rate of star formation, possibly triggered by interaction with M81 in the past.
Imaged with the 80mm refractor and a Zwo 1600 mono camera.