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Just having a look at your picture full size your system seems to avoid those unsightly halos around brighter stars evident in pictures taken with the Orion AG12. I suspect that the halos are caused by poor ghosting analysis in the design of the corrector ( but I'm open to other suggestions) , which the Keller corrector seems to be free of.
Last edited by Satchmo; 23-07-2011 at 09:34 AM.
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