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Nice to see a result from Baader Ultra NB 3.5nm, so do you have the rest from Baader as Ultra NB filters [OIII/SII]? I want to see more from those filters to justify if they are doing better than 8/7/6.5/6 nm filters, ofcourse i won't talk about 5nm or 3nm from Astrodon/Chroma.
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