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Old 16-07-2019, 04:11 PM
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The_bluester (Paul)
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Join Date: Feb 2011
Location: Kilmore, Australia
Posts: 3,342
The only thing I would say from my experience of the ASI294MC Pro, put a UV-IR cut filter in the train, at least an IR cut if not both. Looking at the 071MC they don't go below the 3db point on the red sensitivity until somewhere out past 750nm so it might well show the same kind of odd artifacts as my 294 without the filter.


Mine is the ZWO filter marketed as an IR cut filter but if the transmission graph is to be believed it is a UV-IR cut so I can't definitively say if my main issues came from the UV or IR end of the spectrum, but it amounted to some bloating of both blue and red stars (Suggesting both ends, it is a relatively cheap refractor I am using) and really spectacular reflection issues.
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