

Don't be in a hurry to go down that route - look at the basics first.I don't autoguide so it may not be possible.
Yes, therefore intelligent use of the histogram is required in combination with the settings. With an Altair 183C capturing at 5000x3000 I usually push it and end up with a small number of pixels at or around 100%. Acceptable (to me) on a 20 mega-pixel frame. In line with Brian's suggestion, I have been easing up on the offset but maintain a centrally balanced bias frame to establish an offset value for a given gain.If you follow this plot at some point will you not start clipping the white point?
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