| Número de manchas solares |
Tamaño | Clase Magn. | Clase Mancha | Ubicación | |
|---|---|---|---|---|---|
| 10/10/1999 | 8 | 40 | CRO | N11E67 | |
| 11/10/1999 | 14 | 60 | BXO | N12E58 | |
| 12/10/1999 | 14 | 30 | BXO | N12E44 | |
| 13/10/1999 | 16 | 90 | FAO | N12E30 | |
| 14/10/1999 | 30 | 110 | CRO | N11E17 | |
| 15/10/1999 | 15 | 30 | CAO | N12E03 | |
| 16/10/1999 | 8 | 20 | CAO | N12W12 | |
| 17/10/1999 | 9 | 20 | BXO | N13W25 | |
| 18/10/1999 | 3 | 10 | BXO | N14W41 | |
| 19/10/1999 | 1 | 0 | AXX | N16W49 |
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| Último evento clase X | 01/02/2026 | X1.0 |
| Último evento clase M | 01/02/2026 | 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 | 119.2 +2.7 |