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Filter choices for OSC imaging
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07-05-2022, 10:35 AM
Retrograde
(Pete)
a.k.a. @AstroscapePete
Join Date: Oct 2011
Location: Sydney
Posts: 1,635
Interesting - it looks like everything is just a little out of focus.
Given that each band is in a different part of the spectrum an achromat is likely to have some trouble I guess?
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