| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 15/08/2000 | 1 | 10 | HRX | N06E65 | |
| 16/08/2000 | 1 | 10 | HRX | N06E53 | |
| 17/08/2000 | 1 | 10 | HRX | N07E40 | |
| 18/08/2000 | 5 | 0 | AXX | N06E29 | |
| 19/08/2000 | 4 | 10 | BXO | N08E15 | |
| 20/08/2000 | 4 | 10 | AXX | N09E02 | |
| 21/08/2000 | 4 | 10 | BXO | N08W12 | |
| 22/08/2000 | 4 | 10 | BXO | N08W25 |
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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 | 110 -14 |
| 30 derniers jours | 104.3 -5.3 |