M52 and Bubble Nebula area, taken with TMB92mm apo refractor with Borg .85 Reducer/Flattener for f/4.6. Taken Sept 29/30, with Canon 20Da at ISO 400 for stack of 4 x 12 minute exposures. Mach 1 mount and Orion autoguider and PHD Guider used.
This is the mis-matched pair of globular clusters in Coma Berenices: M53 at top, a modestly bright and rich cluster, and NGC 5053 at bottom, a dim and sparse globular. This is a stack of just 5 x 8-minute exposures with the Canon EOS Ra at ISO 800 through the SharpStar 140mm refractor at f/6.5 with no field flattener.
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.