6521.png

2020-08-16

New region S6521 [S30E17] was observed with a tiny spot in an old plage area late in the day. A long duration B1.2 event peaked at 17:26 UT and affected a surprisingly large area in SDO AIA 193

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Stefano Zottele -
S-Spots Data from Jan Alvested Solen info
Position data from Agostino Frosini - Agopax.it Images: Jan Alvested from Solen.info AND Courtesy of NASA/SDO and the AIA, EVE, and HMI science teams.