| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 10/09/2023 | 4 | 10 | BXO | S16E09 | |
| 11/09/2023 | 7 | 30 | CRO | S16W07 | |
| 12/09/2023 | 7 | 30 | DRO | S17W19 | |
| 13/09/2023 | 10 | 50 | DAO | S16W33 | |
| 14/09/2023 | 10 | 50 | DSO | S17W47 | |
| 15/09/2023 | 5 | 30 | CSO | S17W61 | |
| 16/09/2023 | 1 | 30 | HRX | S16W73 | |
| 17/09/2023 | 1 | 10 | AXX | S17W88 |
| C |
|---|
| 1 |
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | C1.5 | 18/09/2023 | 00:56 | 01:04 | 01:09 |
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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 | 106.7 -17.3 |
| 30 derniers jours | 102.5 -7.3 |