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Crater Posidonius

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About this observation
Observer
David Arditti
Time of observation
01/11/2015 - 03:02
Object
Crater Posidonius
Observing location
Edgware, Middlesex, UK
Equipment
DMK41AF02
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This image was taken under stable seeing conditions using a C-14 at prime focus and a Baader ‘wideband’ H alpha filter (30nm), which is effectively a deep red filter.  

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