| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 29/10/1998 | 4 | 10 | BXO | S21E36 | |
| 30/10/1998 | 3 | 20 | CRO | S21E22 | |
| 31/10/1998 | 1 | 0 | AXX | S22E05 | |
| 02/11/1998 | 1 | 0 | AXX | S21W18 |
| M |
|---|
| 1 |
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | M2.56 | 06/11/1998 | 15:07 | 15:11 | 15:13 |
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| Dernière classe X | 08/12/2025 | X1.1 |
| Dernière classe M | 31/12/2025 | M7.11 |
| Dernier orage géomagnétique | 02/01/2026 | 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 | 111.2 -12.8 |
| 30 derniers jours | 106.5 -1.5 |