| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 23/12/2001 | 1 | 10 | AXX | S14W19 | |
| 24/12/2001 | 4 | 20 | DSO | S14W31 | |
| 26/12/2001 | 2 | 10 | BXO | S13W59 |
| C | M |
|---|---|
| 2 | 1 |
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | M2.04 | 27/12/2001 | 05:26 | 06:13 | 06:19 | |
| 2 | C8.16 | 27/12/2001 | 03:41 | 03:45 | 03:50 | |
| 3 | C6.44 | 27/12/2001 | 07:59 | 08:02 | 08:04 |
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| Dernière classe X | 18/01/2026 | X1.9 |
| Dernière classe M | 17/01/2026 | M1.1 |
| 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 |