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Narrowband imaging with fast scopes
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07-02-2021, 12:02 PM
gregbradley
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Join Date: Feb 2006
Location: Sydney
Posts: 17,903
That has been my experience also. I have had Baaders before (not the latest gen though) and the green filter seemed the worst for halos.
I don't get halos from Astrodons except maybe under extreme scenes.
I image often at F3.8.
Greg.
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