| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 19/07/2011 | 1 | 30 | DAO | N26E69 | |
| 20/07/2011 | 3 | 100 | CSO | N25E56 | |
| 21/07/2011 | 12 | 80 | CSO | N25E42 | |
| 22/07/2011 | 13 | 130 | DSI | N25E32 | |
| 23/07/2011 | 13 | 60 | DSO | N25E18 | |
| 24/07/2011 | 3 | 40 | CAO | N25E02 | |
| 25/07/2011 | 3 | 10 | BXO | N25W10 | |
| 26/07/2011 | 2 | 10 | BXO | N25W23 |
| B |
|---|
| 1 |
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | B7.12 | 20/07/2011 | 17:51 | 17:56 | 18:01 |
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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 | 119.6 -4.4 |
| 30 derniers jours | 122.3 +11.2 |