Tâche solaire AR8637
| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 19/07/1999 | 4 | 20 | BXO | N12W27 | |
| 20/07/1999 | 6 | 20 | CRO | N12W42 | |
| 21/07/1999 | 5 | 30 | BXO | N13W56 | |
| 22/07/1999 | 1 | 10 | AXX | N12W66 |
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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 | 118.7 -5.3 |
| 30 derniers jours | 120.4 +5.6 |