It was taken with his Celestron 11", fork mount (alt-az), Hyperstar and a Canon XSI. It's a stack of 10 images using Deep Sky Stacker and Gimp 2 for processing. He took it from his observatory in Clarkdale Arizona, at about 3am on Aug 4th. SQM readings were 21.1.
Please click image for a 1024 by 668 pixel enlargement
