Tâche solaire AR8710
| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 27/09/1999 | 1 | 30 | HSX | N20E76 | |
| 28/09/1999 | 1 | 40 | HSX | N19E64 | |
| 29/09/1999 | 3 | 30 | CSO | N19E51 | |
| 30/09/1999 | 1 | 20 | HSX | N19E38 | |
| 01/10/1999 | 1 | 20 | HSX | N21E25 | |
| 02/10/1999 | 1 | 10 | HSX | N21E13 | |
| 03/10/1999 | 1 | 10 | AXX | N21E00 | |
| 04/10/1999 | 1 | 0 | AXX | N22W13 | |
| 05/10/1999 | 1 | 0 | AXX | N24W28 |
| B |
|---|
| 1 |
Le top 1 des éruptions solaires de la région 8710
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | B9.69 | 29/09/1999 | 20:12 | 20:16 | 20:18 |
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