M31 Andromeda Galaxy. Taken Oct 30, 2010 with 77mm Borg apo refractor at f/4 with Canon 7D at ISO 800 for stack of 4 x 10 minute exposures, Mean combined. Used AP Mach 1 mount and StarShoot guider on Borg 50mm guidescope and Toshiba netbook with PHD Guider 1.12. All seemed to work well.
M31, the Andromeda Galaxy, with companions, M32 below and M110 above. This is a stack of 15 x 7 minute exposures to go fairly deep, all at ISO 800 with the Canon 5D MkII on the TMB 92mm apo refractor at f/4.4 with the Borg 0.85s flattener/reducer. Taken from New Mexico, Dec. 22, 2014.
M31 Andromeda Galaxy, with TMB 92mm apo refractor and Borg 0.85x reducer/flattener for f/4.8 and Canon 20Da camera at ISO400 for 2 x 15 minute exposures. North is at bottom, south at top (better balance with this framing)