By Hassan Dadashi Arani | 2025-05-21
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quiet sun
On 05/21/2025 10:24 am by Patricio Leon | Santiago, Chile
stable spots in structure and magnetic configuration, low auroral index, some low profile flares, high speed solar wind due to a big southern coronal hole, another uneventful day in sun´s life
Newt 4.5" + solar film, 1/640s ISO100
crop, B/C
