| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 13/04/2000 | 10 | 70 | DAO | S19E29 | |
| 14/04/2000 | 7 | 90 | DAO | S17E14 | |
| 15/04/2000 | 6 | 80 | DAO | S18E03 | |
| 16/04/2000 | 9 | 60 | CAO | S17W13 | |
| 17/04/2000 | 14 | 40 | CSO | S17W25 | |
| 18/04/2000 | 6 | 20 | CRO | S17W34 | |
| 19/04/2000 | 5 | 10 | CRO | S16W48 | |
| 20/04/2000 | 3 | 10 | BXO | S15W63 | |
| 21/04/2000 | 2 | 10 | AXX | S16W78 | |
| 22/04/2000 | 3 | 30 | BXO | S15W92 |
| C |
|---|
| 2 |
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | C5.19 | 19/04/2000 | 13:47 | 13:55 | 14:03 | |
| 2 | C2.11 | 16/04/2000 | 16:27 | 16:31 | 16:33 |
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| Dernière classe X | 18/01/2026 | X1.9 |
| Dernière classe M | 21/01/2026 | M3.4 |
| 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 |