| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 26/01/2000 | 4 | 20 | CSO | S14E24 | |
| 27/01/2000 | 6 | 40 | CAO | S15E09 | |
| 28/01/2000 | 9 | 40 | CAO | S16W06 | |
| 29/01/2000 | 4 | 30 | CSO | S16W20 | |
| 30/01/2000 | 5 | 20 | BXO | S17W33 | |
| 31/01/2000 | 1 | 20 | HSX | S16W48 | |
| 01/02/2000 | 1 | 10 | HRX | S16W61 | |
| 02/02/2000 | 1 | 10 | HRX | S16W74 | |
| 03/02/2000 | 1 | 30 | HRX | S15W86 |
| B | C |
|---|---|
| 1 | 1 |
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | C1.67 | 26/01/2000 | 06:02 | 06:06 | 06:10 | |
| 2 | B8.84 | 29/01/2000 | 22:19 | 22:27 | 22:34 |
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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 | 119.1 -4.9 |
| 30 derniers jours | 122 +10.9 |