| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 26/03/2003 | 1 | 40 | HSX | N19W72 | |
| 27/03/2003 | 2 | 60 | HAX | N19W86 |
| C |
|---|
| 3 |
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | C5.14 | 27/03/2003 | 09:40 | 09:45 | 09:49 | |
| 2 | C3.39 | 27/03/2003 | 14:49 | 14:55 | 15:05 | |
| 3 | C1.24 | 27/03/2003 | 01:05 | 01:09 | 01:11 |
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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 | 119.4 -4.6 |
| 30 derniers jours | 121.8 +8.9 |