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Old 13-06-2008, 07:14 PM
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Robert_T is offline
Join Date: Oct 2005
Location: Australia
Posts: 2,578
Originally Posted by ozstockman View Post
Hi Rob,

I don't think so as it isn't related to guiding at all or your guiding scope. The problem comes from your imaging scope.
A WO 0.8x reducer should fix it. Not 100% but stars will look much better if you use it.

Check this link
and select #15 "Field Curvature" from the "Outline" list on the left. There is a good explanation there why it happens.


Thanks Mike, but I'm already using one (a WO 0.8x reducer). I'm pretty sure my problem is guiding.
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