| Número de manchas solares |
Tamaño | Clase Magn. | Clase Mancha | Ubicación | |
|---|---|---|---|---|---|
| 18/04/1998 | 8 | 20 | BXO | N21E00 | |
| 19/04/1998 | 7 | 50 | DSO | N21W12 | |
| 20/04/1998 | 12 | 70 | DSO | N21W25 | |
| 21/04/1998 | 14 | 100 | DSO | N21W40 | |
| 22/04/1998 | 14 | 70 | DSO | N21W53 | |
| 23/04/1998 | 9 | 130 | EAO | N21W66 | |
| 24/04/1998 | 6 | 90 | CSO | N22W79 |
| B |
|---|
| 5 |
| Inicio | Máximo | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | B8.14 | 19/04/1998 | 13:00 | 13:05 | 13:11 | |
| 2 | B5.51 | 21/04/1998 | 23:21 | 23:24 | 23:26 | |
| 3 | B5.33 | 19/04/1998 | 16:33 | 16:36 | 16:39 | |
| 4 | B4.59 | 19/04/1998 | 14:12 | 14:20 | 14:27 | |
| 5 | B3.01 | 22/04/1998 | 13:48 | 13:51 | 13:54 |
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| Último evento clase X | 04/02/2026 | X4.3 |
| Último evento clase M | 04/02/2026 | M1.1 |
| 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 | 133 +9 |
| Last 30 days | 120.6 +10.9 |