| Número de manchas solares |
Tamaño | Clase Magn. | Clase Mancha | Ubicación | |
|---|---|---|---|---|---|
| 04/04/1999 | 3 | 50 | HSX | N19E77 | |
| 05/04/1999 | 6 | 90 | CAO | N20E63 | |
| 06/04/1999 | 15 | 160 | DAO | N21E49 | |
| 07/04/1999 | 14 | 110 | EAO | N21E36 | |
| 08/04/1999 | 21 | 120 | DAI | N22E24 | |
| 09/04/1999 | 39 | 190 | DAI | N22E12 | |
| 10/04/1999 | 33 | 150 | DAI | N23W02 | |
| 11/04/1999 | 36 | 190 | DAI | N22W16 | |
| 12/04/1999 | 25 | 120 | EAI | N21W28 | |
| 13/04/1999 | 13 | 60 | DSO | N22W42 | |
| 14/04/1999 | 6 | 30 | BXO | N21W55 | |
| 15/04/1999 | 3 | 10 | BXO | N23W66 |
| B | C |
|---|---|
| 3 | 16 |
| Inicio | Máximo | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | C9.86 | 08/04/1999 | 08:36 | 08:43 | 08:49 | |
| 2 | C5.07 | 06/04/1999 | 06:52 | 07:05 | 07:22 | |
| 3 | C5.01 | 08/04/1999 | 08:57 | 09:01 | 09:03 | |
| 4 | C4.93 | 08/04/1999 | 17:14 | 17:18 | 17:21 | |
| 5 | C3.89 | 11/04/1999 | 03:33 | 03:39 | 03:43 | |
| 6 | C3.23 | 08/04/1999 | 07:39 | 07:48 | 07:54 | |
| 7 | C3.07 | 08/04/1999 | 05:11 | 05:19 | 05:25 | |
| 8 | C2.53 | 09/04/1999 | 14:08 | 14:29 | 14:40 | |
| 9 | C2.26 | 10/04/1999 | 05:28 | 06:15 | 07:30 | |
| 10 | C1.89 | 07/04/1999 | 09:20 | 09:24 | 09:27 |
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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 | 22/01/2026 | Kp5+ (G1) |
| Días sin manchas | |
|---|---|
| Último día sin manchas | 08/06/2022 |
| Promedio de manchas solares mensuales | |
|---|---|
| diciembre 2025 | 124 +32.2 |
| enero 2026 | 114.4 -9.6 |
| Last 30 days | 118.6 +9.5 |