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On Sunday, June 9, 2002, at 01:21 PM, DWest61506@aol.com wrote:
> What comparison star were you using and what is it's B-V color? What
> kind is your CCD camera?
My camera is the SBIG ST-237A. The quantum efficiency is here:
I used three comp star in Mira Pro: GSC 00393 00375, which is B-R=1.7, GSC
00297 02325, which is B-R=1.0 and GSC 00297 01937 which is B-R=1.1. I
guess these are all fairly red.