Good seeing, much wind, and some problem with light from neighborhood house toward inside of the OTA.
GSO 305 mm - Canon Rebel XT - ISO 800 - 12 x 4 min - 48 min - OAG - Coma Corrector - Skyglow filter
wide :
http://www.astrobin.com/full/79974/0/
detail :
http://www.astrobin.com/79976/B/