M30 globular cluster in Capricornus, taken with it low in the sky from Cypress Hills, August 2012. This is a stack of 4 x 4 minute exposures at ISO 1600 with the Canon 7D and 130mm AP refractor.
M30, the Messier globular cluster in Capricornus. This is a stack of 4 x 6 minute exposures with the Canon 6D at ISO 800 and TMB 92mm refractor at f/5.5 with the Hotech field flattener. Taken from New Mexico, from Silver City, Nov 11, 2014.
M31 with 5-inch AP apo at f/4.5 with telecompressor/field flattener and Canon 20Da camera. Stack of four 15-minute exposures + two 2-minute exposures for the core. Taken from home Oct. 15, 2006. Image sharpened with 10 and 50 pixel High pass filters.