Messier 61, a face-on spiral galaxy in Virgo. Galaxy at upper left is NGC 4301, at upper right of M61 is NGC 4292. The short streak left of M61 is the asteroid 40 Harmonia. This is a stack of 4 x 10 minute exposures at ISO 800 with the Canon 60Da and Astro-Physics 130mm f/6 apo refractor.
A telephoto lens image of the spiral galaxies M65 and M66 and NGC 3628 (aka the Leo Trio), below the back end of Leo the Lion, shot to simulate the field of view of binoculars for illustration purposes. This is a stack of 5 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 24, 2019.
Leo Triplet of galaxies, taken with 5-inch Astro-Physics refractor at f/6 (no flattener) and Canon 7D camera, on Mach1 mount as a test of SBIG SG-4 autoguider. Stack of 2 x 8 minutes at ISO1600 and 4 x 15 minutes at ISO800. Median combined.
