| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 18/07/2012 | 5 | 40 | CSO | S17E54 | |
| 19/07/2012 | 7 | 50 | CSO | S16E37 | |
| 20/07/2012 | 3 | 30 | CSO | S17E24 | |
| 21/07/2012 | 3 | 10 | BXO | S17E10 | |
| 22/07/2012 | 3 | 10 | AXX | S17W01 |
| C |
|---|
| 2 |
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | C3.55 | 19/07/2012 | 00:00 | 00:09 | 00:14 | |
| 2 | C1.96 | 19/07/2012 | 01:34 | 01:37 | 01:39 |
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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 | 121.1 +6.3 |