| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 17/05/2013 | 9 | 30 | CRO | N18W28 | |
| 18/05/2013 | 7 | 20 | CRO | N18W40 | |
| 19/05/2013 | 4 | 20 | CRO | N18W52 |
| C |
|---|
| 3 |
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | C1.87 | 18/05/2013 | 06:32 | 06:56 | 07:09 | |
| 2 | C1.66 | 19/05/2013 | 08:35 | 08:38 | 08:40 | |
| 3 | C1.45 | 16/05/2013 | 15:37 | 15:49 | 16:00 |
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| Dernière classe X | 18/01/2026 | X1.9 |
| Dernière classe M | 21/01/2026 | M3.4 |
| Dernier orage géomagnétique | 22/01/2026 | 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 | 114.4 -9.6 |
| 30 derniers jours | 118.6 +9.5 |