Andromeda Galaxy, M31, with the Lunt 80mm f/7 doublet apo refractor for stack of 5 x 15 minute exposures at ISO 800 with Canon 5D MkII and Borg 0.85x flattener/reducer. Companion galxies, M31 and M110 also shown. Taken from home. Field is roughly 4 x 2.5°.
The Amazing Sky 