| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 15/12/2014 | 9 | 50 | CAI | N14E25 | |
| 16/12/2014 | 10 | 60 | DAI | N14E12 | |
| 17/12/2014 | 13 | 80 | DAI | N13W02 | |
| 18/12/2014 | 7 | 80 | DSO | N13W15 | |
| 19/12/2014 | 3 | 30 | CSO | N15W28 | |
| 20/12/2014 | 9 | 40 | DAO | N15W42 | |
| 21/12/2014 | 5 | 50 | CSO | N14W55 | |
| 22/12/2014 | 2 | 10 | BXO | N15W67 |
| C |
|---|
| 1 |
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | C2.23 | 15/12/2014 | 12:40 | 12:43 | 12:51 |
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| Dernière classe X | 18/01/2026 | X1.9 |
| Dernière classe M | 19/01/2026 | M1.2 |
| Dernier orage géomagnétique | 19/01/2026 | Kp9- (G4) |
| 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 | 103.8 -20.2 |
| 30 derniers jours | 109.8 +2 |