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The lights and darks were taken at the same ISO(1600) and exposure, the flats and bias' were different, do you think I should keep the same ISO for everything?
The flats were taken pointing at the western sky and it looked pretty even but as I got a 10x15 degree FOV it would probably be a good idea to put something over the front to make sure.
Does it matter what colour the flats are? And should I go by the camera Histogram or what it says on the computer? The both seem to be different.
I got a pic of a single Light, Flat, Dark and the processed image in B&W, seems to be lots of dusty stuff, if you haven't already guessed its the Hyades cluster.
Cheers
Jo
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