QSI 583ws Camera and Borg 77 ED telescope at f/4.3. Astrodon 3nm filter.
AP 900 mount. SX Loadstar autoguiding camera.
10 X 20 min subs Ha + 5 X 25 min subs Ha @ -20.
Frames acquired with MaxIm DL 5, calibrated and combined in CCD Stack2. Final processing in ImagesPlus 5.0.
Stardust Ranch;
http://stardustranch.org/