| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 24/01/2015 | 2 | 10 | AXX | S18E55 |
| C |
|---|
| 2 |
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | C1.71 | 23/01/2015 | 15:24 | 15:29 | 15:35 | |
| 2 | C1.43 | 23/01/2015 | 15:07 | 15:11 | 15:22 |
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| Dernière classe X | 08/12/2025 | X1.1 |
| Dernière classe M | 31/12/2025 | M7.11 |
| Dernier orage géomagnétique | 02/01/2026 | 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 | 112.1 -11.9 |
| 30 derniers jours | 105.6 -3.7 |