Quote:
Originally Posted by Joshua Bunn
Eric and Peter,
All my test images have been around the 30 - 40 degrees altitude range, and all of them have been with a red filter to minimize the chromatic dispersion, is this sufficient?? I was told to do my tests with a red filter by PW. I could try with my 5nm Ha though.
thanks
Josh
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Cant hurt to try, I mean your 5nm HA filter is essentially a "red" filter anyway. It just lets through less red!