9 - 8 min. exposures with the SBIG ST-8300M (monochrome) CCD camera at -10C. Baader 2" UV/IR filter. Telescope configuration: EdgeHD 9.25 (2350mm, f/10) and no focal reducer, binned 2x2 yielding an image scale of 0.95 arc-seconds/pixel. Mount: Losmandy G11 w/Gemini. Focused using a Bahtinov focus mask. Post processing: Calibration, alignment, stacking and DDP in ImagesPlus 3.82b using 9 dark frames and 16 bias frames; curves in Nebulosity2; Adaptive Richardson - Lucy Restoration in ImagesPlus. Autoguided with a Lodestar autoguider connected to a Stellarvue 50mm finderscope and a Celestron 2x Barlow and PHD autoguiding software.

20101101_M1_CombExcAvg-DDPARLcrv.jpg