| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 29/08/2014 | 4 | 30 | CRO | S18E55 | |
| 30/08/2014 | 6 | 20 | CRO | S18E41 | |
| 31/08/2014 | 11 | 70 | DAI | S17E27 | |
| 01/09/2014 | 24 | 200 | DAC | S16E15 | |
| 02/09/2014 | 32 | 220 | DAC | S16E01 | |
| 03/09/2014 | 27 | 230 | EAC | S16W12 | |
| 04/09/2014 | 27 | 240 | EAC | S15W26 | |
| 05/09/2014 | 16 | 310 | EKI | S15W38 | |
| 06/09/2014 | 11 | 190 | EAO | S15W51 | |
| 07/09/2014 | 15 | 180 | EAO | S15W65 | |
| 08/09/2014 | 2 | 120 | CAO | S15W83 | |
| 09/09/2014 | 1 | 30 | HSX | S15W92 | |
| 10/09/2014 | 1 | 30 | HSX | S15W0* |
| C | M |
|---|---|
| 18 | 1 |
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | M3.67 | 03/09/2014 | 13:20 | 13:54 | 14:23 | |
| 2 | C9.1 | 04/09/2014 | 13:10 | 13:30 | 13:45 | |
| 3 | C5.27 | 02/09/2014 | 13:10 | 13:15 | 13:23 | |
| 4 | C4.05 | 30/08/2014 | 14:22 | 14:25 | 14:29 | |
| 5 | C3.74 | 02/09/2014 | 00:50 | 00:59 | 01:05 | |
| 6 | C3.2 | 04/09/2014 | 11:10 | 11:22 | 11:26 | |
| 7 | C2.48 | 06/09/2014 | 12:21 | 12:24 | 12:27 | |
| 8 | C2.48 | 30/08/2014 | 07:18 | 07:22 | 07:26 | |
| 9 | C2.48 | 01/09/2014 | 15:27 | 16:04 | 17:11 | |
| 10 | C2.33 | 01/09/2014 | 18:03 | 18:26 | 20:00 |
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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 | 121.8 +8.9 |