Messier 81 (also known as NGC 3031 or Bode’s Galaxy) is a grand design spiral galaxy about 12 million light-years away, with a diameter of 90,000 light years, in the constellation Ursa Major.
Backyard image with Meade 16″ LX200 @ f6.3, ZWO ASI071 MC Pro, Optolong L Pro filter, 5 hrs. Guided by Stellarvue 80mm Access. Stacked with Deep Sky Stacker, Processed in Pixinsight and Photoshop. 4/8/2021