| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 25/01/2023 | 5 | 10 | CAO | N11W47 | |
| 26/01/2023 | 5 | 40 | CAO | N12W60 | |
| 27/01/2023 | 3 | 40 | CAO | N11W78 | |
| 28/01/2023 | 1 | 20 | HRX | N11W92 |
| C |
|---|
| 3 |
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | C2.9 | 28/01/2023 | 07:33 | 08:31 | 08:57 | |
| 2 | C2.8 | 28/01/2023 | 08:57 | 09:00 | 09:04 | |
| 3 | C1.4 | 27/01/2023 | 21:32 | 21:39 | 21:48 |
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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 | 113.6 -10.4 |
| 30 derniers jours | 107.6 -0.4 |