| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 27/10/2015 | 6 | 40 | CSO | N20W02 | |
| 28/10/2015 | 4 | 30 | DAO | N19W16 | |
| 29/10/2015 | 4 | 30 | DSO | N19W31 | |
| 30/10/2015 | 3 | 30 | DAO | N20W44 | |
| 31/10/2015 | 2 | 10 | BXO | N19W57 | |
| 01/11/2015 | 1 | 10 | AXX | N18W72 |
| C |
|---|
| 1 |
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | C1.57 | 29/10/2015 | 01:03 | 01:25 | 01:40 |
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| 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 | 119.4 -4.6 |
| 30 derniers jours | 121.8 +8.9 |