| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 20/10/2011 | 1 | 90 | HAX | N16E82 | |
| 21/10/2011 | 4 | 270 | DKO | N14E67 | |
| 22/10/2011 | 6 | 260 | DKO | N15E54 | |
| 23/10/2011 | 8 | 180 | DAI | N15E43 | |
| 24/10/2011 | 8 | 180 | DAO | N15E29 | |
| 25/10/2011 | 11 | 150 | DSO | N16E16 | |
| 26/10/2011 | 11 | 100 | DSO | N15E03 | |
| 27/10/2011 | 6 | 30 | CSO | N17W12 | |
| 28/10/2011 | 1 | 10 | AXX | N17W26 | |
| 29/10/2011 | 1 | 10 | AXX | N16W40 | |
| 30/10/2011 | 1 | 10 | AXX | N17W52 |
| C |
|---|
| 3 |
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | C3.23 | 22/10/2011 | 19:11 | 19:17 | 19:23 | |
| 2 | C2.84 | 29/10/2011 | 09:17 | 09:22 | 09:26 | |
| 3 | C2.45 | 22/10/2011 | 20:39 | 20:43 | 20:47 |
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| Dernière classe X | 18/01/2026 | X1.9 |
| Dernière classe M | 21/01/2026 | M3.4 |
| Dernier orage géomagnétique | 21/01/2026 | Kp7+ (G3) |
| 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 | 110 -14 |
| 30 derniers jours | 114.8 +6.7 |