| Número de manchas solares |
Tamaño | Clase Magn. | Clase Mancha | Ubicación | |
|---|---|---|---|---|---|
| 10/09/2004 | 5 | 300 | DAI | N05E73 | |
| 11/09/2004 | 13 | 260 | DAI | N05E60 | |
| 12/09/2004 | 30 | 270 | EAI | N05E47 | |
| 13/09/2004 | 49 | 260 | EAI | N05E33 | |
| 14/09/2004 | 32 | 270 | DAO | N04E22 | |
| 15/09/2004 | 49 | 310 | EAI | N05E10 | |
| 16/09/2004 | 46 | 320 | EAI | N05W03 | |
| 17/09/2004 | 45 | 230 | EAI | N05W17 | |
| 18/09/2004 | 37 | 150 | EAI | N05W29 | |
| 19/09/2004 | 16 | 100 | CAO | N06W45 | |
| 20/09/2004 | 7 | 70 | CRO | N05W58 | |
| 21/09/2004 | 7 | 80 | DSO | N05W71 |
| B | C | M |
|---|---|---|
| 13 | 30 | 4 |
| Inicio | Máximo | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | M6.94 | 12/09/2004 | 00:04 | 00:56 | 01:33 | |
| 2 | M2.82 | 19/09/2004 | 16:46 | 17:12 | 17:39 | |
| 3 | M2.17 | 14/09/2004 | 07:47 | 09:30 | 10:00 | |
| 4 | M1.08 | 21/09/2004 | 08:30 | 08:36 | 08:39 | |
| 5 | C9.93 | 10/09/2004 | 16:02 | 16:13 | 16:26 | |
| 6 | C5.54 | 19/09/2004 | 10:16 | 11:48 | 12:13 | |
| 7 | C4.57 | 09/09/2004 | 04:50 | 06:01 | 06:40 | |
| 8 | C3.87 | 15/09/2004 | 07:42 | 07:49 | 08:02 | |
| 9 | C3.22 | 14/09/2004 | 05:49 | 05:52 | 05:54 | |
| 10 | C3.08 | 10/09/2004 | 12:49 | 12:56 | 13:02 |
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| Último evento clase X | 04/02/2026 | X4.21 |
| Último evento clase M | 18/03/2026 | M2.7 |
| Últimas tormentas geomagnéticas | 20/03/2026 | Kp7- (G3) |
| Días sin manchas | |
|---|---|
| Last 365 days | 3 días |
| 2026 | 3 días (4%) |
| Último día sin manchas | 24/02/2026 |
| Promedio de manchas solares mensuales | |
|---|---|
| febrero 2026 | 78.2 -34.3 |
| marzo 2026 | 77.5 -0.7 |
| Last 30 days | 66 -33.1 |