| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 19/02/2023 | 3 | 30 | CRO | N21W38 | |
| 20/02/2023 | 8 | 50 | DSO | N21W52 | |
| 21/02/2023 | 7 | 30 | DRO | N21W65 | |
| 22/02/2023 | 2 | 20 | CRO | N24W82 |
| C |
|---|
| 4 |
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | C8.2 | 21/02/2023 | 21:43 | 21:51 | 21:59 | |
| 2 | C5.5 | 20/02/2023 | 05:58 | 06:08 | 06:16 | |
| 3 | C3.4 | 20/02/2023 | 04:39 | 04:51 | 05:03 | |
| 4 | C2.8 | 20/02/2023 | 01:19 | 01:25 | 01:34 |
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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 |