Sunday, July 03, 2011

Northern Cygnus Wide Field Test

3 * 5 minute exposures of the Northern Cygnus region. Another wide field test with my Sigma 10-20mm HSM mounted on my Celestron CGEM. The upper right bled into some light pollution, so I created a background gaussian blur, subtracted it as a layer and this is the result. Very rough image, no flats, darks or bias frames taken which is a SIN with a DSLR in warm temperatures! A sin I say! Fun learning curve, though. Wide-field astro is very different to DSO astro imaging!

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