Sunspot region 3664 continues producing major solar flares even now that it rotated behind the west limb. An X3.4 solar flare that peaked at 08:37 UTC was highly eruptive and an impressive coronal mass ejection could be seen on LASCO coronagraph imagery from SOHO. The coronal mass ejection is however, as you might have guessed already, not aimed at our planet.
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| Último evento clase X | 08/12/2025 | X1.1 |
| Último evento clase M | 12/12/2025 | M1.1 |
| Últimas tormentas geomagnéticas | 12/12/2025 | Kp5 (G1) |
| Días sin manchas | |
|---|---|
| Último día sin manchas | 08/06/2022 |
| Promedio de manchas solares mensuales | |
|---|---|
| noviembre 2025 | 91.8 -22.8 |
| diciembre 2025 | 135.1 +43.3 |
| Last 30 days | 107.1 +10.8 |