| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 22/06/1999 | 3 | 40 | DAO | N23E53 | |
| 23/06/1999 | 5 | 40 | CSO | N22E40 | |
| 24/06/1999 | 1 | 20 | HSX | N20E27 | |
| 25/06/1999 | 1 | 20 | HRX | N21E13 | |
| 26/06/1999 | 4 | 10 | BXO | N21E00 | |
| 27/06/1999 | 1 | 10 | HSX | N22W12 |
| C |
|---|
| 4 |
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | C5.93 | 26/06/1999 | 16:42 | 16:50 | 16:53 | |
| 2 | C4.03 | 29/06/1999 | 12:40 | 12:47 | 12:55 | |
| 3 | C4 | 01/07/1999 | 07:04 | 07:09 | 07:19 | |
| 4 | C3.17 | 24/06/1999 | 09:07 | 09:22 | 09:32 |
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| Dernière classe X | 08/12/2025 | X1.1 |
| Dernière classe M | 29/12/2025 | M1.0 |
| Dernier orage géomagnétique | 22/12/2025 | Kp5 (G1) |
| Jours sans taches solaires | |
|---|---|
| Dernier jour sans taches solaires | 08/06/2022 |
| Nombre mensuel moyen de taches solaires | |
|---|---|
| novembre 2025 | 91.8 -22.8 |
| décembre 2025 | 116.5 +24.7 |
| 30 derniers jours | 116.5 +29.6 |