GSO 305 mm - Canon Rebel XT - ISO 400 - OAG - ASI120MC - Coma Corr. - 21 x 120 seg - 42 min
wide field:
http://cdn.astrobin.com/images/f0852...4af6c95_hd.jpg
I never have good seeing to M27. Over a little hill with some houses and their security lights. And persistent clouds at north. It's the second time that I try it.