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Observational data

Telescope: Vixen VC200L, primary focus, Sphinx SXD
Camera: Canon EOS 40D-a, 400 ISO
Filter Astronomik UV/IR block filter
Exposure: 20 x 4 minutes
Calibration: Dark (400 images), sky flatfield (100 images)
Image Processing: Shift & add with correction of subpixel movement
Date of exposure: 18 April 2010, 22:23h MEZ
Software: ArgusPro SE
Remark: -