| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 11/12/2014 | 3 | 30 | CRO | N05E18 | |
| 12/12/2014 | 11 | 30 | DAC | N04E03 | |
| 13/12/2014 | 9 | 110 | DAO | N04W12 | |
| 14/12/2014 | 9 | 110 | DAO | N04W12 | |
| 15/12/2014 | 4 | 110 | CSO | N04W43 | |
| 16/12/2014 | 1 | 70 | HSX | N04W57 | |
| 17/12/2014 | 2 | 90 | HSX | N05W71 | |
| 18/12/2014 | 1 | 80 | HSX | N05W84 | |
| 19/12/2014 | 1 | 80 | HSX | N05W99 |
| C |
|---|
| 4 |
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | C5.79 | 12/12/2014 | 14:35 | 14:40 | 14:42 | |
| 2 | C5.53 | 11/12/2014 | 08:48 | 08:56 | 09:04 | |
| 3 | C2.47 | 11/12/2014 | 03:25 | 03:29 | 03:32 | |
| 4 | C1.97 | 11/12/2014 | 14:24 | 14:27 | 14:29 |
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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 | 119.3 -4.8 |
| 30 derniers jours | 108.2 +0.2 |