May 1, 2021 on 11:02 am | In Sun | Comments Off
Clear skies today. AR2821 has turned around the edge, but we still see AR2818 in all wave lengths and AR2820 shows as a plage in Ha and CaK. In addition to some very small proms, a string of filaments can be observed in Ha in the SE, as well as a small plage near the Northern Central Meridian in CaK
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