NGC 6819

Telescope:Vixen VC200L, focal reducer f/6.4, Sphinx SXD
Camera:Canon EOS 40D, 800 ASA
Exposure:71 x 30s
Calibration:Dark (200 images), sky flatfield (50 images, low pass filter)
Image Processing:Shift & add with correction of subpixel movement, improved noise reduction
Date of exposure:11 May 2008
Software:ArgusPro SE
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