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  QSI 583ws Camera and Borg 101ED telescope at f/4.1. Astrodon 5nm Ha filter. 
AP 900 mount. 
8 X 25 min subs binned 1X1. Sensor temp @ -20 deg. Frames acquired with MaxIm DL 5, calibrated and combined in CCD Stack2. Final processing in ImagesPlus 4.0. 
Stardust Ranch, Okeechobee FL. Feb 2012 
http://stardustranch.org/