| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 04/08/2001 | 7 | 50 | DSO | S15W02 | |
| 05/08/2001 | 8 | 40 | DAO | S15W16 | |
| 06/08/2001 | 14 | 60 | DAO | S15W31 | |
| 07/08/2001 | 9 | 60 | DSO | S14W44 | |
| 08/08/2001 | 6 | 40 | BXO | S14W61 | |
| 09/08/2001 | 6 | 90 | CSO | S14W70 | |
| 10/08/2001 | 6 | 70 | DAO | S13W84 |
| C | M |
|---|---|
| 5 | 1 |
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | M1.02 | 05/08/2001 | 21:16 | 21:24 | 21:33 | |
| 2 | C3.78 | 09/08/2001 | 08:08 | 08:15 | 08:27 | |
| 3 | C3.36 | 05/08/2001 | 04:02 | 04:07 | 04:14 | |
| 4 | C1.85 | 08/08/2001 | 02:05 | 02:09 | 02:11 | |
| 5 | C1.65 | 03/08/2001 | 21:36 | 21:42 | 21:50 | |
| 6 | C1.47 | 05/08/2001 | 05:46 | 05:48 | 05:51 |
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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 | 118.1 +9.1 |