Tâche solaire AR8457
| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 09/02/1999 | 1 | 70 | HSX | N18E73 | |
| 10/02/1999 | 3 | 90 | CSO | N18E61 | |
| 11/02/1999 | 8 | 200 | DAO | N17E48 | |
| 12/02/1999 | 16 | 290 | EAO | N16E36 | |
| 13/02/1999 | 26 | 350 | EAI | N15E23 | |
| 14/02/1999 | 36 | 660 | EKI | N15E10 | |
| 15/02/1999 | 32 | 660 | EKI | N15W03 | |
| 16/02/1999 | 20 | 600 | EKI | N15W18 | |
| 17/02/1999 | 24 | 550 | EKI | N14W30 | |
| 18/02/1999 | 9 | 330 | EKO | N15W42 | |
| 19/02/1999 | 8 | 260 | EAO | N15W55 | |
| 20/02/1999 | 8 | 190 | EAO | N15W69 | |
| 21/02/1999 | 5 | 110 | CAO | N15W82 |
| C | M |
|---|---|
| 5 | 2 |
Le top 7 des éruptions solaires de la région 8457
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | M1.44 | 14/02/1999 | 09:59 | 10:45 | 11:10 | |
| 2 | M1.09 | 12/02/1999 | 13:40 | 14:07 | 14:22 | |
| 3 | C6.03 | 15/02/1999 | 19:00 | 19:04 | 19:06 | |
| 4 | C4.59 | 12/02/1999 | 18:59 | 19:14 | 19:24 | |
| 5 | C3.7 | 12/02/1999 | 18:15 | 18:24 | 18:38 | |
| 6 | C2.44 | 15/02/1999 | 13:14 | 13:17 | 13:19 | |
| 7 | C1.94 | 15/02/1999 | 04:44 | 04:46 | 04:47 |
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La Météo Spatiale en faits
| Dernière classe X | 08/12/2025 | X1.1 |
| Dernière classe M | 31/12/2025 | M7.11 |
| Dernier orage géomagnétique | 02/01/2026 | 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 | 119.3 -4.8 |
| 30 derniers jours | 108.9 +1.7 |