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Old 09-12-2021, 09:23 AM
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Merlin66 (Ken)
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Merlin66 is offline
Join Date: Oct 2005
Location: St Leonards, Vic
Posts: 8,667
Thanks. I’m familiar with the W47 transmission curve and the NIR leakage.
It’s currently used by a couple of guys with their spectroheliographs when working in CaK.
Our issue is a parasitic light “curtain” on the reconstruction image which may be caused by processing…..we don’t know.
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