M 31 from the Canon 1100D on the Evostar 80ED. Two further processes using different calibration files - 03-10-16

M 31 from the Canon 1100D on the Evostar 80ED. 4 hours and 30 minutes exposure in 5 minute, ISO 800 subs,
taken before the 23% illuminated Moon rose above the horizon.
There was some passing cloud early in the evening and also late on, but hopefully the stacking dropped the worst of those frames - 25-09-16

M 31 from the Canon 1100D on the Evostar 80ED. 3 hours and 28 minutes exposure in 4 minute, ISO 400 subs with an 82% illuminated Moon - 12-09-16
Apart from the Moon, the sky conditions weren't great, with a high level of sky glow and light pollution.

M 31 Unguided, 30 minutes exposure in 2 minute subs from a dark site - sometime in 2012