Thanks for that Paul.
As far as calibration goes I would imagine the main reason to calibrate is to remove amp glow on those models that have it (most it seems except the very latest).
I am interested in an ASI183mm Pro to simply plug into my FLI filter wheel and I probably already have the right adapters from when I was using a Starlight Express Trius 694.
It would be for galaxy imaging and smallish objects and narrowband images of smaller nebulas.
Greg.
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