| Número de manchas solares |
Tamaño | Clase Magn. | Clase Mancha | Ubicación | |
|---|---|---|---|---|---|
| 18/09/1998 | 3 | 10 | BXO | S17E42 | |
| 19/09/1998 | 7 | 20 | CRO | S16E30 | |
| 20/09/1998 | 7 | 50 | CSO | S17E16 | |
| 21/09/1998 | 7 | 50 | CSO | S16E01 | |
| 22/09/1998 | 1 | 50 | HAX | S16W15 | |
| 23/09/1998 | 10 | 50 | ESO | S16W25 | |
| 24/09/1998 | 4 | 30 | CRO | S16W38 | |
| 25/09/1998 | 1 | 0 | AXX | S16W56 | |
| 27/09/1998 | 4 | 80 | BXO | S14W71 | |
| 28/09/1998 | 3 | 80 | DSO | S15W84 |
| C |
|---|
| 2 |
| Inicio | Máximo | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | C2.71 | 27/09/1998 | 03:55 | 04:00 | 04:02 | |
| 2 | C1.43 | 26/09/1998 | 14:56 | 15:01 | 15:06 |
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| Último evento clase X | 03/02/2026 | X1.5 |
| Último evento clase M | 03/02/2026 | M3.4 |
| 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 |
| febrero 2026 | 114 -10 |
| Last 30 days | 118.8 +9.2 |