| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 05/09/2015 | 1 | 10 | HSX | N14E64 | |
| 06/09/2015 | 1 | 40 | HSX | N13E50 | |
| 07/09/2015 | 2 | 30 | CSO | N14E38 | |
| 08/09/2015 | 1 | 30 | HSX | N14E24 | |
| 09/09/2015 | 1 | 20 | HSX | N14E10 | |
| 10/09/2015 | 1 | 30 | HSX | N14W02 | |
| 11/09/2015 | 2 | 20 | HSX | N14W15 | |
| 12/09/2015 | 1 | 20 | HAX | N15W28 | |
| 13/09/2015 | 1 | 10 | HSX | N14W41 | |
| 14/09/2015 | 1 | 10 | HSX | N14W41 |
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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 | 117.9 -6.1 |
| 30 derniers jours | 121.4 +11.9 |