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Old 22-09-2014, 10:25 PM
ericwbenson (Eric)
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ericwbenson is offline
Join Date: Sep 2009
Location: Adelaide, Australia
Posts: 204
Hi Peter,
So while a few more measurements will really confirm this, it looks like it is a combination of 4) + a slightly different 1) and 3).

The camera has to much QE for the exotic refractor hmmm.... I guess I'll ditch the camera and find a worse one...

But seriously have you considered a catadioptric? Although if a simple bandpass filter fixes the problem, well that is the best outcome for your wallet.

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