Tâche solaire AR8620
| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 04/07/1999 | 1 | 40 | HAX | N22E56 | |
| 05/07/1999 | 1 | 80 | HSX | N21E42 | |
| 06/07/1999 | 4 | 90 | CSO | N20E29 | |
| 07/07/1999 | 4 | 90 | CSO | N20E16 | |
| 08/07/1999 | 2 | 110 | CSO | N20E02 | |
| 09/07/1999 | 2 | 100 | HSX | N21W10 | |
| 10/07/1999 | 3 | 80 | CAO | N21W22 | |
| 11/07/1999 | 3 | 60 | CAO | N22W34 | |
| 12/07/1999 | 4 | 60 | CAO | N22W48 | |
| 13/07/1999 | 3 | 40 | CSO | N22W61 | |
| 14/07/1999 | 5 | 40 | CSO | N22W75 |
| C |
|---|
| 1 |
Le top 1 des éruptions solaires de la région 8620
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | C1.69 | 06/07/1999 | 08:03 | 08:06 | 08:10 |
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| Dernière classe M | 21/01/2026 | M3.4 |
| Dernier orage géomagnétique | 22/01/2026 | Kp5+ (G1) |
| Jours sans taches solaires | |
|---|---|
| Dernier jour sans taches solaires | 08/06/2022 |
| Nombre mensuel moyen de taches solaires | |
|---|---|
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