Quote:
Originally Posted by ChrisV
That's a nasty artefact in the dark. Hope its consistent, otherwise would be hard to compensate. I had a look at the dark on the zwo website and its flat over the whole image when highly stretched.
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It was not an artefact, just a characteristic of the IMX294 sensor. Where are you finding darks on the ZWO website, I had a search but did not turn them up. They used to be on the ASI294MC pro product page but the seem to have removed them, the one on the page for the 294MC Pro looked just like mine (Mine is smoother as I think the one on the page was a single frame but I made my masters out of at least 50 darks)
I am pretty sure I saw an identical looking flat on the 294MM page when they were first released too. It calibrated out nicely on my 294 so I was not bothered by it.