| Número de manchas solares |
Tamaño | Clase Magn. | Clase Mancha | Ubicación | |
|---|---|---|---|---|---|
| 08/09/1999 | 6 | 90 | DSO | S25E74 | |
| 09/09/1999 | 8 | 230 | ESO | S27E60 | |
| 10/09/1999 | 12 | 340 | DAO | S26E48 | |
| 11/09/1999 | 22 | 320 | EAI | S27E36 | |
| 12/09/1999 | 16 | 270 | EAO | S27E23 | |
| 13/09/1999 | 19 | 230 | EAO | S26E11 | |
| 14/09/1999 | 30 | 260 | EAI | S28W01 | |
| 15/09/1999 | 23 | 200 | ESO | S27W14 | |
| 16/09/1999 | 19 | 160 | CSO | S26W27 | |
| 17/09/1999 | 16 | 170 | ESO | S26W41 | |
| 18/09/1999 | 8 | 170 | EAO | S25W53 | |
| 19/09/1999 | 5 | 110 | CSO | S25W69 | |
| 20/09/1999 | 1 | 60 | HSX | S23W84 |
| C |
|---|
| 4 |
| Inicio | Máximo | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | C4.46 | 17/09/1999 | 17:59 | 18:04 | 18:09 | |
| 2 | C1.67 | 16/09/1999 | 22:07 | 22:19 | 22:23 | |
| 3 | C1.43 | 16/09/1999 | 13:00 | 13:04 | 13:08 | |
| 4 | C1.24 | 10/09/1999 | 09:14 | 09:20 | 09:23 |
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| Último evento clase X | 30/03/2026 | X1.4 |
| Último evento clase M | 28/03/2026 | M1.3 |
| Últimas tormentas geomagnéticas | 25/03/2026 | Kp5+ (G1) |
| Días sin manchas | |
|---|---|
| Last 365 days | 3 días |
| 2026 | 3 días (3%) |
| Último día sin manchas | 24/02/2026 |
| Promedio de manchas solares mensuales | |
|---|---|
| febrero 2026 | 78.2 -34.3 |
| marzo 2026 | 86.6 +8.4 |
| Last 30 days | 86.6 +11.2 |