It is a 102mm Celestron refractor on an EQ6. I don't really know how to do PEC, otherwise I would have done it. I do use EQMOD, so I suppose I should give it a whirl. I always guide, no matter how short the exposure and although it seems to be ok, in hindsight, maybe the guide scope is a bit "rickety", I need to shore that up, too.
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