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Old 26-08-2022, 05:02 PM
Dave882 (David)
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Join Date: Nov 2020
Location: PADSTOW
Posts: 2,499
Nice job Martin- glad to see the new filters going well for you. You’re right, I think it will really shine with emission nebula targets. Can’t wait to see what you can do with it!!

I thought you would need to extend your sub lengths to account for the narrower band pass, but if I understand correctly, once you exceed the Lp noise floor with longer sub lengths you don’t get a noisier image, it’s just that you don’t get greater snr. But I could be wrong…
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