| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 22/04/2002 | 4 | 150 | DAO | S17E71 | |
| 23/04/2002 | 8 | 150 | DSO | S17E60 | |
| 24/04/2002 | 9 | 150 | DAO | S18E47 | |
| 25/04/2002 | 19 | 100 | EAO | S18E32 | |
| 26/04/2002 | 9 | 50 | DAO | S17E20 | |
| 27/04/2002 | 7 | 30 | CSO | S06E07 | |
| 28/04/2002 | 6 | 20 | CSO | S18W06 | |
| 29/04/2002 | 7 | 30 | CRO | S18W19 | |
| 30/04/2002 | 4 | 30 | CSO | S15W30 |
| C |
|---|
| 2 |
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | C7.89 | 22/04/2002 | 05:43 | 05:47 | 05:50 | |
| 2 | C3.37 | 24/04/2002 | 16:32 | 16:41 | 16:57 |
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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 | 118.7 -5.3 |
| 30 derniers jours | 120.4 +5.6 |