| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 14/12/2000 | 1 | 70 | HSX | S16E75 | |
| 15/12/2000 | 1 | 60 | HSX | S15E60 | |
| 16/12/2000 | 1 | 100 | HSX | S18E49 | |
| 17/12/2000 | 1 | 110 | HSX | S18E36 | |
| 18/12/2000 | 1 | 110 | HSX | S18E23 | |
| 19/12/2000 | 1 | 80 | HSX | S18E09 | |
| 20/12/2000 | 1 | 90 | HSX | S18W04 | |
| 21/12/2000 | 1 | 90 | HSX | S18W16 | |
| 22/12/2000 | 2 | 70 | HSX | S18W29 | |
| 23/12/2000 | 4 | 80 | CSO | S18W43 | |
| 24/12/2000 | 1 | 80 | HSX | S18W56 | |
| 25/12/2000 | 1 | 80 | HSX | S18W70 | |
| 26/12/2000 | 1 | 60 | HSX | S16W83 | |
| 27/12/2000 | 1 | 60 | HSX | S16W95 |
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| Dernière classe X | 08/12/2025 | X1.1 |
| Dernière classe M | 11/01/2026 | M3.3 |
| Dernier orage géomagnétique | 11/01/2026 | 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 | 96.8 -27.3 |
| 30 derniers jours | 99.1 -7.4 |