ImageProcessing

 Just had a good read of the image processing section in The Deep Sky Video Astronomy book by Steve Massey and Steve Quirk. I thought I would process an earlier image of M13 (see original post). Well what a difference! although I didn't take flats or dark frames (not got to grips with that yet)
The difference is remarkable. I will deff take some darks and flats and then revisit M13 and will post the result so you can see the difference. Thanks guys for the tips.
 
M13 after processing using Gimp and layer with unsharp procedure.
compare the difference with the previous image posted a week ago.
 
 
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