| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 26/02/2013 | 3 | 30 | DRO | S18E09 | |
| 27/02/2013 | 11 | 170 | DAC | S18W03 | |
| 28/02/2013 | 13 | 110 | DAI | S18W17 | |
| 01/03/2013 | 15 | 180 | DAI | S18W30 | |
| 02/03/2013 | 12 | 240 | DAI | S18W42 | |
| 03/03/2013 | 5 | 240 | DAO | S18W56 | |
| 04/03/2013 | 3 | 200 | DAO | S18W68 | |
| 05/03/2013 | 3 | 100 | DAO | S19W81 | |
| 06/03/2013 | 2 | 60 | CAO | S18W94 |
| B | C |
|---|---|
| 3 | 2 |
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | C1.17 | 27/02/2013 | 03:25 | 03:32 | 03:39 | |
| 2 | C1.11 | 28/02/2013 | 15:53 | 16:01 | 16:10 | |
| 3 | B9.51 | 01/03/2013 | 10:11 | 10:14 | 10:17 | |
| 4 | B7.53 | 28/02/2013 | 14:51 | 14:58 | 15:07 | |
| 5 | B4.81 | 26/02/2013 | 03:41 | 03:45 | 03:50 |
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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 | 118.7 -5.3 |
| 30 derniers jours | 120.4 +5.6 |