| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 02/09/2015 | 5 | 30 | DRO | N05E54 | |
| 03/09/2015 | 6 | 30 | DRO | N04E39 | |
| 04/09/2015 | 5 | 30 | CRO | N03E26 | |
| 05/09/2015 | 2 | 30 | CRO | N06E11 | |
| 06/09/2015 | 3 | 10 | BXO | N06W02 | |
| 07/09/2015 | 3 | 20 | CRO | N04W14 | |
| 08/09/2015 | 1 | 0 | AXX | N05W25 | |
| 09/09/2015 | 2 | 10 | BXO | N05W36 | |
| 10/09/2015 | 1 | 0 | AXX | N06W50 |
| B |
|---|
| 2 |
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | B5.99 | 04/09/2015 | 05:13 | 05:18 | 05:26 | |
| 2 | B2.76 | 05/09/2015 | 10:06 | 10:10 | 10:13 |
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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 | 117.9 -6.1 |
| 30 derniers jours | 121.2 +12.1 |