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Old 27-04-2021, 03:53 PM
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Merlin66 (Ken)
Spectroscopy Wizard

Merlin66 is online now
Join Date: Oct 2005
Location: St Leonards, Vic
Posts: 8,441
An excellent record of the extended sunspot group.
I like the faclulae towards the edge associated with the departing AR 2816
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