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Dernière classe X | 19/06/2025 | X1.9 |
Dernière classe M | 03/10/2025 | M1.2 |
Dernier orage géomagnétique | 03/10/2025 | Kp5 (G1) |
Jours sans taches solaires | |
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Dernier jour sans taches solaires | 08/06/2022 |
Nombre mensuel moyen de taches solaires | |
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septembre 2025 | 129.8 -3.7 |
octobre 2025 | 140.1 +10.3 |
30 derniers jours | 131.3 -1.2 |