| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 05/10/2001 | 1 | 60 | HAX | S23E76 | |
| 06/10/2001 | 4 | 220 | DKO | S22E62 | |
| 07/10/2001 | 5 | 270 | DKO | S22E50 | |
| 08/10/2001 | 8 | 280 | DKO | S22E37 | |
| 09/10/2001 | 6 | 220 | DKC | S22E24 | |
| 10/10/2001 | 8 | 190 | DAO | S22E11 | |
| 11/10/2001 | 13 | 160 | DAI | S21W02 | |
| 12/10/2001 | 15 | 150 | DAO | S22W14 | |
| 13/10/2001 | 13 | 130 | DAO | S22W27 | |
| 14/10/2001 | 7 | 60 | DAO | S22W40 | |
| 15/10/2001 | 3 | 30 | CSO | S22W54 | |
| 16/10/2001 | 2 | 20 | BXO | S22W64 |
| C | M |
|---|---|
| 1 | 1 |
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | M2.14 | 09/10/2001 | 10:46 | 11:13 | 11:49 | |
| 2 | C2.57 | 07/10/2001 | 07:28 | 07:32 | 07:34 |
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| Dernière classe X | 18/01/2026 | X1.9 |
| Dernière classe M | 19/01/2026 | M1.2 |
| Dernier orage géomagnétique | 17/01/2026 | 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 | 100.6 -23.4 |
| 30 derniers jours | 106.1 -0.7 |