Messier 57

 

Telescope:Vixen VC200L, primary focus, Sphinx SXW
Camera:Canon EOS 400D, 800 ASA
Exposure:28 x 30s
Calibration:Dark (60 images), new noise reduction technique
Image Processing:Shift & add with correction of subpixel movement
Date of exposure:9 May 2008
Software:ArgusPro SE
 
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