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Mike Crowle | all galleries >> Astrophotography >> Comets > Comet Holmes. with stars Alpha and Delta Persei
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6 November 2007

Comet Holmes. with stars Alpha and Delta Persei

Canon EOS 20D ,Carl Zeiss Jena 135mm f/3.5 Sonnar M42
Camera 'piggybacked' on a Celestron C8 telescope. 5.5 minute exposure at f3.5, ISO 800. Lumicon Deep Sky Filter fitted to lens. hide exif
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