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Old 11-06-2016, 02:14 PM
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codemonkey (Lee)
Lee "Wormsy" Borsboom

codemonkey is offline
Join Date: Jul 2013
Location: Kilcoy, QLD
Posts: 2,055
Cheers Ray. What sort of light source did you use when testing that? My dodgy flat panel will have a divergent beam and I'm not sure of the impact of that on the vignetting.

I did a spot check on those two frames I posted, one in the top right corner, one in the top left. The top right varied 12.9% between the two frames, and the top left varied by 7.4%. I think the difference between the two most divergent of yours is about 3.5%

I could take multiple sets and then average them, I suppose.

In other news, SGP are looking into the issue that I described above. SharpCap has been working fine so I've been able to start capturing calibration frames. Hopefully SGP can sort it out quickly, although the forecast for the foreseeable future is cloudy anyway.
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