| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 09/09/2001 | 1 | 0 | AXX | N12E64 | |
| 10/09/2001 | 1 | 10 | AXX | N11E49 | |
| 11/09/2001 | 1 | 1 | AXX | N11E36 |
| C |
|---|
| 1 |
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | C4.58 | 11/09/2001 | 14:00 | 14:37 | 15:08 |
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| Dernière classe X | 18/01/2026 | X1.9 |
| Dernière classe M | 21/01/2026 | M3.4 |
| Dernier orage géomagnétique | 22/01/2026 | Kp5+ (G1) |
| Jours sans taches solaires | |
|---|---|
| Dernier jour sans taches solaires | 08/06/2022 |
| Nombre mensuel moyen de taches solaires | |
|---|---|
| décembre 2025 | 124 +32.2 |
| janvier 2026 | 119.1 -4.9 |
| 30 derniers jours | 122.3 +12.7 |