How much space does the Messier81 galaxy take up?

Messier 81 (M81), also known as Bode's Galaxy, is a spiral galaxy located approximately 12 million light-years away in the constellation Ursa Major. It spans about 90,000 light-years in diameter. This makes it one of the larger galaxies in the Messier catalog, comparable in size to our Milky Way. M81 is notable for its bright core and prominent spiral structure.