Tâche solaire AR8677
| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 26/08/1999 | 1 | 60 | HSX | N07E71 | |
| 27/08/1999 | 6 | 80 | CAO | N07E60 | |
| 28/08/1999 | 6 | 90 | CSO | N07E46 | |
| 29/08/1999 | 5 | 70 | CSO | N08E33 | |
| 30/08/1999 | 5 | 70 | CSO | N08E20 | |
| 31/08/1999 | 3 | 70 | CSO | N07E07 | |
| 01/09/1999 | 2 | 60 | CSO | N07W07 | |
| 02/09/1999 | 1 | 40 | HSX | N08W21 | |
| 03/09/1999 | 1 | 40 | HSX | N08W35 | |
| 04/09/1999 | 1 | 30 | HSX | N08W48 | |
| 05/09/1999 | 1 | 40 | HSX | N09W61 | |
| 06/09/1999 | 1 | 40 | HSX | N10W74 | |
| 07/09/1999 | 1 | 0 | AXX | N08W84 |
| C |
|---|
| 1 |
Le top 1 des éruptions solaires de la région 8677
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | C3.86 | 01/09/1999 | 00:27 | 00:45 | 01:05 |
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| Dernière classe M | 21/01/2026 | M3.4 |
| Dernier orage géomagnétique | 22/01/2026 | Kp5+ (G1) |
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