| Número de manchas solares |
Tamaño | Clase Magn. | Clase Mancha | Ubicación | |
|---|---|---|---|---|---|
| 16/10/1997 | 2 | 60 | HSX | N18E77 | |
| 17/10/1997 | 2 | 60 | CSO | N16E69 | |
| 18/10/1997 | 3 | 80 | CSO | N17E57 | |
| 19/10/1997 | 3 | 60 | CSO | N17E43 | |
| 20/10/1997 | 1 | 30 | HSX | N17E26 | |
| 21/10/1997 | 1 | 40 | HSX | N16E13 | |
| 22/10/1997 | 4 | 40 | CRO | N16W01 | |
| 23/10/1997 | 3 | 10 | BXO | N16W14 |
| B | C |
|---|---|
| 1 | 1 |
| Inicio | Máximo | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | C4.43 | 21/10/1997 | 17:00 | 17:54 | 18:16 | |
| 2 | B1.5 | 16/10/1997 | 17:18 | 17:22 | 17:37 |
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| Último evento clase X | 18/01/2026 | X1.9 |
| Último evento clase M | 21/01/2026 | M3.4 |
| Últimas tormentas geomagnéticas | 20/01/2026 | Kp8 (G4) |
| Días sin manchas | |
|---|---|
| Último día sin manchas | 08/06/2022 |
| Promedio de manchas solares mensuales | |
|---|---|
| diciembre 2025 | 124 +32.2 |
| enero 2026 | 107.3 -16.8 |
| Last 30 days | 111.9 +4 |