Tâche solaire AR8690
| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 07/09/1999 | 3 | 60 | DAO | N13E73 | |
| 08/09/1999 | 5 | 80 | DAO | N13E60 | |
| 09/09/1999 | 8 | 50 | DSO | N13E47 | |
| 10/09/1999 | 14 | 40 | CSO | N13E33 | |
| 11/09/1999 | 14 | 60 | DSO | N13E20 | |
| 12/09/1999 | 23 | 100 | DSI | N14E06 | |
| 13/09/1999 | 25 | 90 | DSI | N14W06 | |
| 14/09/1999 | 34 | 150 | DAI | N15W20 | |
| 15/09/1999 | 31 | 210 | DSI | N15W34 | |
| 16/09/1999 | 30 | 300 | EKI | N15W48 | |
| 17/09/1999 | 23 | 440 | EKI | N16W62 | |
| 18/09/1999 | 13 | 310 | EAO | N16W74 | |
| 19/09/1999 | 7 | 110 | DSO | N16W87 |
| C | M |
|---|---|
| 3 | 1 |
Le top 4 des éruptions solaires de la région 8690
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | M3.06 | 17/09/1999 | 01:14 | 01:20 | 01:23 | |
| 2 | C4.79 | 09/09/1999 | 16:13 | 16:37 | 17:08 | |
| 3 | C3.96 | 07/09/1999 | 22:58 | 23:07 | 23:19 | |
| 4 | C2.69 | 14/09/1999 | 13:54 | 14:03 | 14:14 |
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La Météo Spatiale en faits
| Dernière classe X | 18/01/2026 | X1.9 |
| Dernière classe M | 21/01/2026 | M3.4 |
| Dernier orage géomagnétique | 21/01/2026 | Kp7+ (G3) |
| 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 | 110 -14 |
| 30 derniers jours | 115.1 +6.1 |