| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 11/02/2001 | 3 | 10 | CRO | N09E05 | |
| 12/02/2001 | 6 | 10 | BXO | N11W08 | |
| 13/02/2001 | 3 | 20 | CAO | N13W20 | |
| 14/02/2001 | 10 | 40 | DAO | N15W33 | |
| 15/02/2001 | 11 | 60 | DAO | N15W45 | |
| 16/02/2001 | 8 | 120 | DSO | N15W58 | |
| 17/02/2001 | 7 | 110 | DAO | N15W73 | |
| 18/02/2001 | 4 | 50 | DSO | N17W83 |
| C |
|---|
| 1 |
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | C1.7 | 13/02/2001 | 16:29 | 16:33 | 16:35 |
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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 +10.9 |