| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 21/11/1999 | 5 | 30 | CSO | S31E24 | |
| 22/11/1999 | 12 | 20 | DSO | S30E08 | |
| 23/11/1999 | 12 | 80 | DAO | S29W01 | |
| 24/11/1999 | 5 | 40 | DAO | S28W14 | |
| 25/11/1999 | 6 | 80 | EAO | S28W29 | |
| 26/11/1999 | 3 | 50 | CSO | S28W42 | |
| 27/11/1999 | 3 | 50 | CSO | S27W58 | |
| 28/11/1999 | 4 | 80 | DSO | S27W72 | |
| 29/11/1999 | 3 | 90 | DAO | S26W83 |
| C |
|---|
| 1 |
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | C5.59 | 22/11/1999 | 17:16 | 17:23 | 17:26 |
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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 | 119.1 -4.9 |
| 30 derniers jours | 122.3 +12.7 |