| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 29/04/2000 | 4 | 10 | BXO | S14W04 | |
| 30/04/2000 | 5 | 10 | BXO | S13W20 | |
| 01/05/2000 | 5 | 20 | CSO | S13W32 | |
| 02/05/2000 | 7 | 20 | CSO | S13W47 | |
| 03/05/2000 | 5 | 10 | BXO | S13W61 | |
| 04/05/2000 | 3 | 20 | CRO | S13W75 | |
| 05/05/2000 | 1 | 50 | HSX | S13W91 |
| M |
|---|
| 1 |
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | M4.1 | 04/05/2000 | 04:32 | 04:51 | 05:02 |
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| Dernière classe X | 18/01/2026 | X1.9 |
| Dernière classe M | 21/01/2026 | M1.1 |
| Dernier orage géomagnétique | 20/01/2026 | Kp8 (G4) |
| 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 | 107.3 -16.8 |
| 30 derniers jours | 111.9 +4 |