| Número de manchas solares |
Tamaño | Clase Magn. | Clase Mancha | Ubicación | |
|---|---|---|---|---|---|
| 09/12/1999 | 1 | 90 | HAX | N17E69 | |
| 10/12/1999 | 1 | 80 | HSX | N16E56 | |
| 11/12/1999 | 3 | 60 | CAO | N17E43 | |
| 12/12/1999 | 4 | 80 | CAO | N16E30 | |
| 13/12/1999 | 4 | 30 | CAO | N17E16 | |
| 14/12/1999 | 3 | 10 | CSO | N17E01 | |
| 15/12/1999 | 1 | 0 | AXX | N16W11 | |
| 16/12/1999 | 3 | 10 | BXO | N20W24 |
| C |
|---|
| 1 |
| Inicio | Máximo | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | C5.3 | 10/12/1999 | 02:03 | 02:10 | 02:14 |
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| Último evento clase X | 08/12/2025 | X1.1 |
| Último evento clase M | 29/12/2025 | M1.0 |
| Últimas tormentas geomagnéticas | 22/12/2025 | 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 | 116.5 +24.7 |
| Last 30 days | 116.2 +30.6 |