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Old 17-06-2008, 10:22 AM
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Geoff45 (Geoff)
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Join Date: Jul 2006
Location: Sydney
Posts: 2,631
I would have thought field rotation. If it was the focal reducer, I would have expected the star to be elongated away from the centre, rather than in arcs around the centre.

Last edited by Geoff45; 17-06-2008 at 06:20 PM.
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