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Wow, not good.
Did you do flats for each filter or did it constantly shift?
If you had a drifting bias that would make it pretty hard.
I know Richard Crisp made some mention about doing flats for
back thinned chips. Wolfgang said they look weird but they flat out OK
on his FLI. Given their $25,000 + cost you'd want some certainty.
The slow cooling is an annoying Apogee feature. You are not the only one
who did not like that.
Was that the E2V chip?
Greg.
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