Tâche solaire AR8803
| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 17/12/1999 | 12 | 40 | CRO | S14E24 | |
| 18/12/1999 | 12 | 70 | DAO | S13E10 | |
| 19/12/1999 | 19 | 100 | DAO | S13W02 | |
| 20/12/1999 | 13 | 70 | DAO | S13W16 | |
| 21/12/1999 | 8 | 30 | DSO | S13W31 | |
| 22/12/1999 | 7 | 20 | BXO | S13W43 | |
| 23/12/1999 | 6 | 50 | DAO | S14W57 | |
| 24/12/1999 | 4 | 30 | DSO | S14W69 | |
| 25/12/1999 | 3 | 0 | BXO | S13W80 |
| C |
|---|
| 5 |
Le top 5 des éruptions solaires de la région 8803
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | C6.26 | 22/12/1999 | 00:01 | 00:10 | 00:17 | |
| 2 | C4.91 | 21/12/1999 | 23:30 | 23:38 | 23:46 | |
| 3 | C4.47 | 22/12/1999 | 13:44 | 13:54 | 14:02 | |
| 4 | C2.37 | 17/12/1999 | 17:39 | 17:50 | 18:37 | |
| 5 | C2.29 | 23/12/1999 | 17:24 | 17:29 | 17:33 |
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| Dernière classe M | 19/01/2026 | M1.2 |
| Dernier orage géomagnétique | 19/01/2026 | Kp9- (G4) |
| Jours sans taches solaires | |
|---|---|
| Dernier jour sans taches solaires | 08/06/2022 |
| Nombre mensuel moyen de taches solaires | |
|---|---|
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| 30 derniers jours | 109 +1.5 |