| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 18/08/2000 | 9 | 20 | CSO | N07W06 | |
| 19/08/2000 | 9 | 60 | DAO | N07W20 | |
| 20/08/2000 | 11 | 70 | DAO | N06W33 | |
| 21/08/2000 | 1 | 40 | HRX | N08W48 | |
| 22/08/2000 | 3 | 10 | BXO | N09W63 |
| C |
|---|
| 2 |
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | C2.09 | 17/08/2000 | 20:57 | 21:03 | 21:07 | |
| 2 | C1.63 | 17/08/2000 | 16:34 | 17:09 | 17:19 |
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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 | 111.2 -12.8 |
| 30 derniers jours | 106.5 -1.5 |