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NGC 6826 Technical data: 12"f/20-Schiefspiegler for luminance data, 15"f/8 newtonian for color channels SBIG ST10XME, CFW8 and AO7 LRGB = L=20x200s with the Schiefspiegler R=3x260s; G=3x200s; B=3x300s; color channels bin 2, ratio 1:1:1 Author: Bernd Flach-Wilken and Volker Wendel
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