It looks like it's only an issue with the tak @ F5.9, flats out of the vixen @ F9 worked tonight. Might be easier to run gain 1 when using the tak and reducer cos last thing I wanted to do was modify the light box.
Having 2 imaging scopes is quickly becoming a pain in the rear.
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I suppose I should add that I get offset 130 with gain 0% and offset 120 with gain 50% but bias files for both are very similar. I guess the rub is that the bias files come off the flats as well as the lights.
Last edited by Tandum; 02-08-2009 at 04:13 AM.
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