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AR2738 -Ha and Cak plus prom
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16-04-2019, 07:44 PM
John W
(John Wilkinson)
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Join Date: Jan 2010
Location: Castlemaine, Victoria, Australia
Posts: 1,372
AR2738 -Ha and Cak plus prom
Nice pics Ken - this was an interesting sunspot esp. as there is not much activity at the moment. Re; your CaK stack - can you see the resultant wavelength visually? I know its in the UV region. Regards, John W.
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