M51 - First Light 12 Zoll GSO RC photo - Michael Buechner photos at pbase.com

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16.3.2012

M51 - First Light 12 Zoll GSO RC

SFF observatory

12 Zoll GSO RC f/8, with AP-Reducer f/5,6 (= 1680mm),SBIG ST10XME, L=9x10min; R=G=B=3x10min; Image processing with CCDStack2, Adobe Photoshop CS4, SQM =21,2 Mean FWHM=3,4"

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