| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 10/03/2023 | 1 | 20 | HSX | N16E60 | |
| 11/03/2023 | 1 | 20 | HSX | N12E45 | |
| 12/03/2023 | 1 | 20 | HSX | N13E31 | |
| 13/03/2023 | 1 | 20 | HRX | N12E19 | |
| 14/03/2023 | 1 | 10 | HRX | N13E06 | |
| 15/03/2023 | 1 | 10 | AXX | N13W08 | |
| 16/03/2023 | 1 | 10 | AXX | N13W20 | |
| 17/03/2023 | 1 | 10 | AXX | N13W35 |
| C |
|---|
| 2 |
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | C3.4 | 09/03/2023 | 23:21 | 23:31 | 23:42 | |
| 2 | C1.4 | 21/03/2023 | 08:09 | 08:12 | 08:21 |
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| Dernière classe X | 18/01/2026 | X1.9 |
| Dernière classe M | 21/01/2026 | M3.4 |
| Dernier orage géomagnétique | 20/01/2026 | Kp8 (G4) |
| 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 | 107.3 -16.8 |
| 30 derniers jours | 111.9 +4 |