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William Shaheen | all galleries >> Astronomy - Astronomical objects, images and astronomy related projects >> Astro Images by Subject > M33 Galaxy in Triangulum 30-Oct-2010
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M33 Galaxy in Triangulum 30-Oct-2010

13 - 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.

20101030_M33_CombExcAvg-DDP-crvarl.jpg


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