Just before clouds rolled in I was able to grab a few frames of M20 Very low on integration time. In total it's 1 sub each so 10 minutes ha plus 5 mins each of RGB. After this everything went to pot. So I've never put Ha to a M20 pic before so I'm a bit surprised at the result.
Hope you like it
Full Size
http://www.astrobin.com/full/107656/0/
Paul
