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No 22" screens sadly, and mostly I felt it better to take flats (at least with my ed80) post imaging so all dust bunnies are accounted for and focus and camera orientation are correct. I do this with a lightbox while I pack down other visual equipment. Quite often I can't get out until it's dark, thus missing that wonderful twilight period. In anticipation of using my 8" Newt for imaging I see much the same situation arising. However if I could establish a rough focus and rough camera orientation would this be enough to get good flats at twilight or is more exactitude required? My setup is non-permanent.
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