| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 13/07/2012 | 4 | 20 | CRO | N13W21 | |
| 14/07/2012 | 5 | 20 | DAO | N13W36 | |
| 15/07/2012 | 7 | 20 | CAO | N13W49 | |
| 16/07/2012 | 9 | 40 | DAO | N13W62 | |
| 17/07/2012 | 4 | 60 | DSO | N11W76 | |
| 18/07/2012 | 3 | 60 | CAO | N12W90 |
| C |
|---|
| 2 |
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | C4.41 | 16/07/2012 | 04:52 | 04:58 | 05:09 | |
| 2 | C2.09 | 14/07/2012 | 09:07 | 09:12 | 09:16 |
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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 | 119.1 -4.9 |
| 30 derniers jours | 122 +10.9 |