| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 13/10/2018 | 1 | 20 | HRX | S08E57 | |
| 14/10/2018 | 1 | 10 | HSX | S08E40 | |
| 15/10/2018 | 1 | 10 | AXX | S07E27 |
| B | C |
|---|---|
| 3 | 1 |
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | C1.02 | 12/10/2018 | 14:04 | 14:08 | 14:13 | |
| 2 | B5.2 | 27/05/2021 | 00:58 | 01:01 | 01:18 | |
| 3 | B3.34 | 13/10/2018 | 13:28 | 13:34 | 13:42 | |
| 4 | B3.05 | 12/10/2018 | 01:43 | 01:50 | 01:56 |
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| Dernière classe X | 08/12/2025 | X1.1 |
| Dernière classe M | 21/12/2025 | M1.3 |
| Dernier orage géomagnétique | 21/12/2025 | Kp5 (G1) |
| Jours sans taches solaires | |
|---|---|
| Dernier jour sans taches solaires | 08/06/2022 |
| Nombre mensuel moyen de taches solaires | |
|---|---|
| novembre 2025 | 91.8 -22.8 |
| décembre 2025 | 116.9 +25.1 |
| 30 derniers jours | 109 +22.2 |