Tâche solaire AR8540
| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 08/05/1999 | 3 | 60 | CSO | S28E70 | |
| 09/05/1999 | 5 | 140 | EAO | S28E59 | |
| 10/05/1999 | 9 | 80 | DSO | S28E46 | |
| 11/05/1999 | 10 | 100 | DSO | S27E33 | |
| 12/05/1999 | 13 | 50 | BXO | S26E19 | |
| 13/05/1999 | 12 | 40 | CRO | S27E08 | |
| 14/05/1999 | 6 | 20 | BXO | S27W05 | |
| 15/05/1999 | 5 | 10 | BXO | S25W22 | |
| 16/05/1999 | 2 | 0 | BXO | S25W33 | |
| 17/05/1999 | 1 | 0 | AXX | S31W38 | |
| 20/05/1999 | 1 | 0 | AXX | S29W76 |
| C |
|---|
| 2 |
Le top 2 des éruptions solaires de la région 8540
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | C2.37 | 14/05/1999 | 21:58 | 22:31 | 22:46 | |
| 2 | C1.87 | 10/05/1999 | 20:19 | 20:22 | 20:31 |
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|---|---|
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