Thread: Ca II K prominences 3rd January 2022
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Old 04-01-2022, 12:41 PM
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Merlin66 (Ken)
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Join Date: Oct 2005
Location: Junortoun Vic
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I've settled on the following for the Ca II imaging with the MiniSHG:


Astronomik L1 UV-IR filter + W47 (Violet) + an exit slit gap (gaffa tape strips on the camera window, about 70A wide)
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