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M101 taken with a 50% waxing moon.
Telescope: Takahashi FSQ 106EDX on a EM200 Temma 2 mount
CCD Camera: ST 2000XM with CFW10 and Astrodon I-series LRGB filters
Exposure: 90 mins for Luminance, 60 minutes for RGB each. All 10 minutes subexposure.
Guided witha STL remote guidehead ona 50mm Borg guidescope.
Image capture with Maxim DL,Image processing with CCD stack,gradient removal with gradient Xterminator on Photoshop CS2
Taken on April 2008 in Jackson, Ohio.