This didn't turn out at all well compared with M51 on the same night but I thought I'd post it anyway. Before people ask, the details are in the Gallery.
http://gallery.orpington-astronomy.org.uk/displayimage-450.html (http://gallery.orpington-astronomy.org.uk/displayimage-450.html)
I didn't realise what a difficult target it was till I took the first sub.
I'd be happy with that.
Bit of a trim and a flat frame if you've got one would help too :)
Looks bloody good to me - a great shot on a very difficult target - John
Very nice Robert - what an interesting looking galaxy!
JP, thanks for the comment.
Ian, it was calibrated with the average of 30 flats, I think the gradient is courtesy of the nearby Street lamps.
ah, the joys of suburban imaging :(
I think there's a technique regarding synthetic flats to get rid of that sort of gradient, but as John says, fantastic image :D
wow thats nice!
Robert, what can I say, a smashing image!!!
Thanks everyone, should have a few more to post soon.
Fay, I did say I though that binning wasn't necessary but I can see sense to it for capturing areas with low surface brightness and detail as 2x2 gives four times the sensitivity. I'm trying a combination of binned 2x2 and 1x1 to see whether there's any benefit with my setup.