| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 10/01/2015 | 1 | 30 | HSX | S10E72 | |
| 11/01/2015 | 1 | 30 | HSX | S11E57 | |
| 12/01/2015 | 2 | 30 | HSX | S11E45 | |
| 13/01/2015 | 1 | 30 | HSX | S11E31 | |
| 14/01/2015 | 1 | 30 | HAX | S11E17 | |
| 15/01/2015 | 1 | 30 | HSX | S11E04 | |
| 16/01/2015 | 1 | 20 | HAX | S11W09 | |
| 17/01/2015 | 2 | 20 | HSX | S12W22 | |
| 18/01/2015 | 1 | 10 | AXX | S11W34 | |
| 19/01/2015 | 1 | 0 | AXX | S11W47 |
| C |
|---|
| 1 |
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | C5.3 | 12/01/2015 | 15:18 | 15:21 | 15:24 |
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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 | 119.3 -4.8 |
| 30 derniers jours | 108.9 +1.7 |