Thread: AR 2740/1 -CaK, Ha and WL 7th May 2019
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Old 07-05-2019, 07:13 PM
John W (John Wilkinson)
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Join Date: Jan 2010
Location: Castlemaine, Victoria, Australia
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AR 2740/1 -CaK, Ha and WL 7th May 2019
Some interesting shots of this sunspot Ken. regards, John W.
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