Perhaps its time to reflect on how far you've come Duncan...Looking good and heading in the right direction. Keep at it.
Quote:
Originally Posted by gregbradley
Go for about a 1/3rd of total exposure ability of the camera - ie 22,000 ADU (fully exposed is 65,535).
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Greg, I think you're making the assumption that all cameras saturate at 65,535. While this is indeed the upper limit of a 16bit ADU, the correct value should be the chip's pixel well depth, not the 16bit ADU limit.
Formula:
FullWell / ADU Gain * ~30% = target saturation value of your flats.