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Hi John (Oska). I used a Baader UHC-S filter for about 2hrs of data, and a standard UV/IR cut filter for the other (almost) three hrs. The Baader is a nice ‘narrow’ broadband filter but it does leave red-brown-ish coloured halos on bright stars.
Last edited by Doogs38; 02-09-2022 at 10:35 PM.
Reason: Typos
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