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Summary
DescriptionThe luminosity cycle of variable star Chi Cygni.webm
English: Mira type variable star Chi Cygni photographed roughly every 10 days for its entire ~400 day cycle. 90mm refractor and Sony A7S camera 30s exposure ISO 1000 daylight WB. Corrected for varying sky brightness (moon etc). The movie shows the same cycle 3 times. (Tim Wetherell 2023)
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