The Andromeda Galaxy shot as a test of the Sony a7III mirrorless camera. This was through the Astro-Physics Traveler apo refractor at f/5.8 with the 6x7 field flattener, for a stack of 4 x 8-minute exposures at ISO 1600.
M31, the Andromeda Galaxy, with its companion galaxies, M32 (below) and M110 (aka NGC 205, above), framed to include the blue star Nu Andromedae at left, usually used as the star hopping guide star to find M31. This is a stack of 4 x 6 minute exposures with the Quattro 8 inch Newtonian reflector astrograph, using the Canon 5D MkII at ISO 800, taken from home.
