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M31 Andromeda Galaxy (77mm 7D).jpg
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.