Thought this was an interesting comparison
Two images of M104 with cutting edge amateur imaging techniques and equipment taken 26 years apart by the same bloke
...it's been a fun and rewarding journey
http://www.pbase.com/strongmanmike20...57864/original
And quite increrdibly, these are photos of the very nights each image was captured, all of 26 years apart!
http://upload.pbase.com/strongmanmik...58775/original
Mike