Here is my attempt tonight at M31.
This is the first light of my DSI Pro hooked up to my Sigma 70-300mm lens using my new Mogg adapter.
This is 59 x 4 second exposures with the camera mounted on a fixed tripod. Stacking done in Iris and Photoshop used to adjust levels.
Focal length was approx 200mm. I didn't go to 300mm because the lens gets very stiff after 200mm and I kept losing Andromeda due to the camera moving.