Tâche solaire AR8459
| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 09/02/1999 | 1 | 0 | AXX | S29E48 | |
| 10/02/1999 | 2 | 0 | AXX | S30E39 | |
| 15/02/1999 | 6 | 70 | DRO | S30W30 | |
| 16/02/1999 | 9 | 90 | DRO | S30W43 | |
| 17/02/1999 | 7 | 90 | DAO | S30W57 | |
| 18/02/1999 | 6 | 140 | DAO | S30W69 | |
| 19/02/1999 | 6 | 120 | DAO | S29W80 | |
| 20/02/1999 | 9 | 130 | DAO | S28W94 |
| C |
|---|
| 2 |
Le top 2 des éruptions solaires de la région 8459
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | C4.67 | 19/02/1999 | 00:48 | 00:54 | 01:11 | |
| 2 | C2.06 | 18/02/1999 | 16:01 | 16:05 | 16:12 |
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