| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 05/02/2001 | 3 | 70 | HSX | S12E74 | |
| 06/02/2001 | 7 | 220 | EAO | S11E62 | |
| 07/02/2001 | 11 | 250 | EAO | S11E48 | |
| 08/02/2001 | 12 | 240 | EAO | S09E34 | |
| 09/02/2001 | 13 | 210 | EAO | S11E21 | |
| 10/02/2001 | 11 | 200 | EAO | S10E06 | |
| 11/02/2001 | 6 | 130 | EAO | S10W08 | |
| 12/02/2001 | 9 | 120 | CAO | S08W19 | |
| 13/02/2001 | 4 | 100 | CSO | S09W33 | |
| 14/02/2001 | 2 | 80 | HSX | S09W52 | |
| 15/02/2001 | 2 | 100 | HSX | S09W66 | |
| 16/02/2001 | 1 | 80 | HSX | S09W80 | |
| 17/02/2001 | 1 | 60 | HSX | S11W92 |
| C |
|---|
| 1 |
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | C1.15 | 05/02/2001 | 00:57 | 01:04 | 01:07 |
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| Dernière classe X | 18/01/2026 | X1.9 |
| Dernière classe M | 21/01/2026 | M3.4 |
| Dernier orage géomagnétique | 20/01/2026 | Kp8 (G4) |
| 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 | 107.3 -16.8 |
| 30 derniers jours | 111.9 +4 |