| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 27/07/2000 | 1 | 10 | HRX | N08E28 | |
| 28/07/2000 | 3 | 20 | CRO | N09E16 | |
| 29/07/2000 | 10 | 40 | DAO | N10E03 | |
| 30/07/2000 | 16 | 120 | DAO | N08W11 | |
| 31/07/2000 | 15 | 120 | DSO | N11W26 | |
| 01/08/2000 | 11 | 120 | DSO | N10W39 | |
| 02/08/2000 | 5 | 100 | DSO | N12W52 | |
| 03/08/2000 | 4 | 100 | DSO | N11W65 | |
| 04/08/2000 | 2 | 60 | CSO | N11W78 |
| C |
|---|
| 1 |
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | C2.1 | 29/07/2000 | 16:32 | 16:38 | 16:44 |
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| Dernière classe X | 18/01/2026 | X1.9 |
| Dernière classe M | 19/01/2026 | M1.2 |
| Dernier orage géomagnétique | 19/01/2026 | Kp9- (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 | 103.8 -20.2 |
| 30 derniers jours | 109 +1.5 |