| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 08/01/2001 | 7 | 80 | FSO | N11E58 | |
| 09/01/2001 | 7 | 40 | DSO | N12E44 | |
| 10/01/2001 | 6 | 50 | DAO | N11E29 | |
| 11/01/2001 | 5 | 50 | DSO | N11E14 | |
| 12/01/2001 | 3 | 30 | HAX | N12W01 | |
| 13/01/2001 | 2 | 30 | CAO | N11W16 | |
| 14/01/2001 | 1 | 30 | HSX | N11W30 | |
| 15/01/2001 | 1 | 30 | HSX | N11W44 | |
| 16/01/2001 | 1 | 0 | AXX | N12W56 | |
| 17/01/2001 | 1 | 20 | HSX | N11W70 |
| C |
|---|
| 1 |
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | C1.59 | 17/01/2001 | 11:31 | 11:34 | 11:36 |
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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 |