Sun + AR4233-C7flare
Taken by Giorgio Rizzarelli on September 27, 2025 @ Trieste, Italy
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Interesting activity in big filaments and in ARs - especially North hemisphere's new AR4233 (though without significative sunspots), catched in a C7 flare in the detailed pic (at C5 level only, 5mins before peak, because of clouds). Lunt60HA, Neptune-M.
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