Tâche solaire AR8437
| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 11/01/1999 | 1 | 90 | HSX | N11E68 | |
| 12/01/1999 | 1 | 90 | HSX | N11E55 | |
| 13/01/1999 | 1 | 80 | HSX | N11E42 | |
| 14/01/1999 | 1 | 90 | HSX | N11E29 | |
| 15/01/1999 | 1 | 100 | HSX | N10E16 | |
| 16/01/1999 | 1 | 100 | HSX | N10E03 | |
| 17/01/1999 | 1 | 80 | HSX | N10W11 | |
| 18/01/1999 | 1 | 70 | HSX | N10W24 | |
| 19/01/1999 | 1 | 90 | HSX | N11W37 | |
| 20/01/1999 | 1 | 70 | HSX | N11W50 | |
| 21/01/1999 | 1 | 70 | HSX | N11W64 | |
| 22/01/1999 | 1 | 60 | HSX | N11W77 | |
| 23/01/1999 | 1 | 50 | HSX | N11W89 |
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La Météo Spatiale en faits
| 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 | 119.4 -4.6 |
| 30 derniers jours | 121.8 +8.9 |