| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 05/09/2023 | 2 | 10 | BXO | N16E74 | |
| 06/09/2023 | 2 | 40 | CSO | N17E60 | |
| 07/09/2023 | 3 | 30 | CRO | N16E46 | |
| 08/09/2023 | 2 | 10 | CRO | N16E34 | |
| 09/09/2023 | 2 | 10 | BXO | N17E22 |
| C |
|---|
| 1 |
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | C7.2 | 05/09/2023 | 09:22 | 09:37 | 09:54 |
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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 |