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Old 20-06-2012, 06:39 PM
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leinad
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leinad is offline
 
Join Date: Feb 2008
Location: Perth, WA
Posts: 1,307
That's good. I thought this was more so a glass, light, CCD coverglass effect with the filters, not that they could be defective.
I noticed my Ha Astronomik has halo effects with the FSQ even the luminance which I only got with the QSI last year. Might have to get some data sets done with each and get Gerd's opinion.

If you can post up a NB sample with your new filters that would be great.
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