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Blair MacDonald | all galleries >> Galleries >> astrophotos > M20
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M20

SCO

28 minute exposure from a stack of 14 two minute frames at ISO 1600. Stacked and calibrated with Deep Sky Stacker. The stars and the nebula were sepatated on different layers then given different stretches and recombined using Pain Shop Pro. Noise reduction, background correction and colour tweaks done in Paint Shop Pro. The processing is detailed on the following page.

Canon EOS 350D ,Meade 8

other sizes: small medium large original auto
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