Today’s H-alpha image shows intense plages around AR3977, 3976, 3978, and 3981 in the central-northern latitudes. There are also plages just south of the sun’s […]
Read MoreToday’s H-alpha image shows intense plages around AR3977, 3976, 3978, and 3981 in the central-northern latitudes. There are also plages just south of the sun’s […]
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