| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 15/09/2025 | 6 | 20 | CRO | S26W16 | |
| 16/09/2025 | 3 | 10 | BXO | S26W30 | |
| 17/09/2025 | 2 | 10 | AXX | N26W47 | |
| 18/09/2025 | 1 | 10 | AXX | N25W56 | |
| 19/09/2025 | 1 | 10 | CRO | N24W69 | |
| 20/09/2025 | 1 | 10 | AXX | N24W86 | |
| 21/09/2025 | 1 | 10 | AXX | N24W98 |
| C |
|---|
| 2 |
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | C2.6 | 20/09/2025 | 04:34 | 04:52 | 05:21 | |
| 2 | C1.9 | 19/09/2025 | 12:49 | 12:58 | 13:06 |
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| Dernière classe X | 18/01/2026 | X1.9 |
| Dernière classe M | 21/01/2026 | M3.4 |
| Dernier orage géomagnétique | 20/01/2026 | Kp8 (G4) |
| 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 | 107.3 -16.8 |
| 30 derniers jours | 111.9 +4 |