| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 16/12/2025 | 3 | 20 | CRO | N03E17 | |
| 17/12/2025 | 6 | 50 | CSO | N03E02 | |
| 18/12/2025 | 5 | 60 | CSO | N03W12 | |
| 19/12/2025 | 1 | 10 | AXX | N04W27 | |
| 20/12/2025 | 1 | 10 | BXO | N04W43 | |
| 21/12/2025 | 5 | 20 | CRO | N04W55 | |
| 22/12/2025 | 1 | 10 | AXX | N03W69 |
| B |
|---|
| 1 |
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | B7.7 | 18/12/2025 | 06:42 | 06:49 | 06:53 |
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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 |