Tâche solaire AR8551
| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 22/05/1999 | 2 | 60 | CSO | N32E62 | |
| 23/05/1999 | 3 | 50 | CSO | N33E50 | |
| 24/05/1999 | 6 | 40 | CSO | N32E36 | |
| 25/05/1999 | 9 | 70 | CSO | N32E25 | |
| 26/05/1999 | 5 | 60 | CSO | N32E10 | |
| 27/05/1999 | 5 | 50 | CSO | N31W02 | |
| 28/05/1999 | 6 | 50 | CSO | N32W14 | |
| 29/05/1999 | 1 | 20 | HSX | N32W25 | |
| 30/05/1999 | 1 | 20 | HSX | N31W37 | |
| 31/05/1999 | 3 | 10 | AXX | N30W49 | |
| 02/06/1999 | 1 | 0 | AXX | N32W77 | |
| 03/06/1999 | 1 | 0 | AXX | N32W90 |
| C |
|---|
| 8 |
Le top 8 des éruptions solaires de la région 8551
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | C4.93 | 23/05/1999 | 14:25 | 14:40 | 14:54 | |
| 2 | C3.54 | 02/06/1999 | 07:05 | 07:10 | 07:13 | |
| 3 | C2.69 | 23/05/1999 | 10:35 | 10:43 | 10:52 | |
| 4 | C2.34 | 24/05/1999 | 08:06 | 08:13 | 08:38 | |
| 5 | C1.71 | 02/06/1999 | 10:54 | 10:57 | 11:00 | |
| 6 | C1.66 | 30/05/1999 | 06:05 | 06:12 | 06:23 | |
| 7 | C1.56 | 24/05/1999 | 06:44 | 06:48 | 06:51 | |
| 8 | C1.5 | 24/05/1999 | 13:25 | 13:28 | 13:31 |
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| Dernière classe M | 21/01/2026 | M3.4 |
| Dernier orage géomagnétique | 22/01/2026 | Kp5+ (G1) |
| Jours sans taches solaires | |
|---|---|
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| Nombre mensuel moyen de taches solaires | |
|---|---|
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