| Número de manchas solares |
Tamaño | Clase Magn. | Clase Mancha | Ubicación | |
|---|---|---|---|---|---|
| 11/09/1999 | 1 | 20 | HSX | N19E73 | |
| 12/09/1999 | 1 | 40 | HSX | N20E60 | |
| 13/09/1999 | 1 | 30 | HSX | N20E48 | |
| 14/09/1999 | 5 | 40 | CSO | N21E34 | |
| 15/09/1999 | 2 | 30 | CSO | N21E21 | |
| 16/09/1999 | 3 | 40 | CSO | N22E08 | |
| 17/09/1999 | 3 | 30 | CSO | N21W04 | |
| 18/09/1999 | 1 | 20 | HSX | N21W16 | |
| 19/09/1999 | 2 | 20 | CSO | N21W31 | |
| 20/09/1999 | 1 | 10 | HSX | N21W42 | |
| 21/09/1999 | 1 | 10 | AXX | N21W56 | |
| 22/09/1999 | 1 | 0 | AXX | N22W70 |
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| Último evento clase X | 02/02/2026 | X2.9 |
| Último evento clase M | 02/02/2026 | M5.2 |
| Últimas tormentas geomagnéticas | 28/01/2026 | Kp5+ (G1) |
| Días sin manchas | |
|---|---|
| Último día sin manchas | 08/06/2022 |
| Promedio de manchas solares mensuales | |
|---|---|
| diciembre 2025 | 124 +32.2 |
| Last 30 days | 119 +4.2 |