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Richard,
Superb image , text book stuff !
How did you capture this image ? M31 doesn’t rise above 14 deg Alt all night , you must have a great view of the horizon
How many subs , darks , flats etc
Obviously you were guiding ?
I have a 6” f6 newt, a great scope and a Canon 600D too but have restricted views surrounded by trees and houses etc. plus I’m only 25m above sea level near the George’s river ( I do my best with what I can see at night which is about 40% of the usable night sky )
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