Taken April 19/20, 2006 with Astro-Physics 4-inch Traveler apo refractor at f/6 with 6x7 field flattener in place as well. Canon 20Da camera at ISO400 and stack of 4 x 16 minute exposures, on mild spring night. Some slight field rotation between frames due to misalignment. Frames de-rotated in Photoshop. Each galaxy masked and punched up a bit mroe with Curves and Selective Color.
Messier 81 (the spiral galaxy below) and M82 (the irregular galaxy on top) in Ursa Major. M81 is Bode’s Galaxy, while M82 is the Cigar Galaxy. The galaxy at bottom left is NGC 3077 This is a stack of 10 x 10-minute exposures with the Canon EOS Ra camera at ISO 800 through the Astro-Physics 130mm apo refractor at f/6 with the 6x7 field flattener lens. Taken April 24/25, 2020. North is up in this view.
A telephoto lens image of the galaxy pair Messier 81 and 82 (top) in Ursa Major. This is shot to simulate the field of view of binoculars for illustration purposes. NGC 3077 is below and the left of the pair, while at far left is Coddingon’s Nebula, IC 2574. This is a stack of 6 x 1-minute exposures with the 200mm lens at f/2.8 and Canon 6D MkII at ISO 800, tracked but unguided on the Mach 1 mount, on April 28, 2019.
