The globular cluster M55 in Sagittarius, taken from New Mexico, Nov 10, 2014, with the TMB 92mm refractor at its native f/5.5 focal ratio and using the Hotech field flattener, and Canon 6D for a stack of 4 x 6 minute exposures at ISO 800. The object was low in the southwest.
Messier 56 globular cluster in Lyra taken July 30, 2011 from home with 130mm Astro-Physics refractor and Canon 7D camera, for stack of 5 x 5 minute exposures at ISO 1600 and f/6.
M67 star cluster in Cancer. This is a stack of 5 x 3 minute exposures at ISO 1600 with the Canon 7D on the TMB 92mm apo refractor with Borg 0.85x reducer/flattener for f/4.5. Taken on a slightly hazy night, April 22, 2011 using AP 600E mount and SG4 autoguider. Same scale as M44 shot taken the same night (M44 92mm 7D).
