3 - 60 second exposures with the SBIG ST-8300M (monochrome) CCD camera at -20C. No filter. Telescope configuration: EdgeHD 9.25 (2350mm, f/10) and no focal reducer, unbinned, yielding an image scale of 0.47 arc-seconds/pixel. Mount: Losmandy G11 w/Gemini. Focused using a Bahtinov focus mask. Post processing: alignment, stacking in ImagesPlus 4.0 no dark frames, no bias frames and no flat frames; DDP and curves in Nebulosity2. Cropped and contrast enhanced in ThumbsPlus. Autoguided with a Lodestar autoguider connected to a Stellarvue 50mm finderscope and a Celestron 2x Barlow and PHD autoguiding software, with dithering.

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