Gamma & Alpha Cassiopeiae, with nebula NGC 281
Modified EOS 600D,Canon EF 100mm f/2.8L Macro IS USM
11 x 2-minute exposures, ISO 1600, f/2.8.
Camera piggybacked on a Celestron C8 for tracking.
Images registered and stacked using Deep Sky Stacker software. Initial curves adjusted in Canon Photo Professional; final curves & colour-balance adjusted using Paint Shop Pro;
noise reduction via CyberLink PhotoDirector. This replaces an earlier image of the same area.
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