Alright so I haven't done anything astro-related in months. I pulled out my iPhone and held it up to my 200mm f/6 Newt w/30mm eyepiece:
iPhone Hand-held:
http://photos.smugmug.com/photos/611603793_ihjmf-O.jpg
After getting an EOS T-ring + 2x Barlow (to achieve focus) adapter pair, my Canon 450D and newtonian met for the very first time.
I took shots at 2400mm, 1/50s exp, ISO200 with the dob mount, no mirror cool-down time, horrible transparency. Followed it with some stitching, leveling, wavelet processing. Here are the results:
Screen version:
http://photos.smugmug.com/photos/611603913_Sa9U3-O.jpg
Crazy large version:
http://photos.smugmug.com/photos/611604355_mkwL9-O.jpg
Might try later with better preparation/equipment (mirror cool-down + EQ6).