The skies were clear and dark but the high thin started to drift in almost as soon as I was set-up. This shot has (in round numbers) 300 color frames, fifty dark and fifty bias. Shot with my Sony Alpha a58 / Tamron 90 mm 272E combo supported on a Slik Pro 700DX tripod with a three-way pan and tilt head.
No Eq mount. No auto tracking or guiding. Processing was done in Capture 1 Sony Pro and Gimp 2.9. Stacking in DSS.
Obviously my pp needs to be improved. I'm also thinking that I just might need a longer lens or a small telescope to get much more detail in M22.
A larger version can be found
here.
Brian