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Image centered on GSC 3155:0597 at RA 20 17 15.56 and DEC +40 15 12.89 in the constellation of Cygnus.
Image details - 12 x 300 seconds in hydrogen alpha, binned 3 x 3.
Field of view 83 by 123 arc minutes
Twelve images combined - no further processing
After digital development in MaxIm
After image stretching
After black/white reversal
Martin Nicholson - Shropshire, United Kingdom.
This page was last updated on January 23rd 2011.