127361.png

2019-03-21

Region 12736 [N08W49] developed further gaining area and a magnetic delta structure in the trailing spot section. An M class flare is possible.

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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.