| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 13/12/2023 | 11 | 210 | CAO | N10W34 | |
| 14/12/2023 | 1 | 120 | HSX | N12W44 | |
| 15/12/2023 | 4 | 60 | CSO | N11W59 | |
| 16/12/2023 | 5 | 80 | CSO | N08W73 | |
| 17/12/2023 | 3 | 40 | CSO | N10W86 | |
| 18/12/2023 | 3 | 40 | CSO | N10W0* |
| C |
|---|
| 1 |
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | C1.7 | 17/12/2023 | 04:37 | 04:45 | 04:53 |
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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 | 106.7 -17.3 |
| 30 derniers jours | 102.5 -7.3 |