Mike Crowle
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16 Sept 2007
Cassiopeia (and nebula NGC7822 in Cepheus)
Canon EOS 20D
,Tamron 28mm f2.5
9.5-min exposure at f2.5, ISO 800. Camera 'piggybacked' on a Celestron C8 for manual guiding. Lumicon Deep Sky Filter fitted
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© 2016 Mike Crowle
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