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NGC 6946

By | Published March 13, 2015 | Full size is 1250 × 940 pixels

NGC 6946 by Bryan Cogdell

NGC 6946 Luminance

Luminance data captured with the 10″ f/10 Maksutov-Cassgrain or “Big Mak”.
Parsec 8300M binned 2×2
9 x 12 minute exposures

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