Quote:
Originally Posted by Moon
Better optics would be nice, but it's down the list. For now I'll just pretend its as good as the test report posted by Dave.
James
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James,
no need to pretend or guess. That is why Roddier invented his test. Capturing extrafocal images of a star is rather trivial nowadays, and I'm quite good at running the test.
Next best thing to a proper interferogram, that's for sure. No guessing involved one bit.
(attached analysis of Stefan's 16" D-K in average seeing)