| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 18/12/2025 | 1 | 60 | HAX | N18E62 | |
| 19/12/2025 | 1 | 40 | HSX | N19E46 | |
| 20/12/2025 | 1 | 40 | HSX | N19E32 | |
| 21/12/2025 | 1 | 40 | HSX | N18E19 | |
| 22/12/2025 | 1 | 40 | HSX | N18E05 |
| B | C |
|---|---|
| 2 | 2 |
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | C3.2 | 18/12/2025 | 07:42 | 07:50 | 07:56 | |
| 2 | C1.8 | 19/12/2025 | 22:15 | 22:23 | 22:31 | |
| 3 | B8.9 | 18/12/2025 | 20:30 | 20:38 | 20:45 | |
| 4 | B8.3 | 18/12/2025 | 09:24 | 09:30 | 09:41 |
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| Dernière classe X | 08/12/2025 | X1.1 |
| Dernière classe M | 21/12/2025 | M1.3 |
| Dernier orage géomagnétique | 21/12/2025 | Kp5 (G1) |
| Jours sans taches solaires | |
|---|---|
| Dernier jour sans taches solaires | 08/06/2022 |
| Nombre mensuel moyen de taches solaires | |
|---|---|
| novembre 2025 | 91.8 -22.8 |
| décembre 2025 | 116.9 +25.1 |
| 30 derniers jours | 110.1 +23.7 |