Quote:
Originally Posted by Startrek
.......and your flats eliminate vignetting and dust motes ? then most of the stuff I’ve read and seen throws that info out the window
Thanks
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I don't have the 2600, but do have a 533 (so same sensor tech), and I find flats when using a dual-band filter are usually like 8s or so targetting 20,000 ADU. They are much (much) shorter when using a UV/IR cut.
However, even from Sydney I don't ever find I need flats on such a small sensor.