Tâche solaire AR8431
| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 05/01/1999 | 1 | 10 | AXX | S28E69 | |
| 06/01/1999 | 1 | 30 | HSX | S28E56 | |
| 07/01/1999 | 3 | 30 | CRO | S28E43 | |
| 08/01/1999 | 4 | 30 | BXO | S28E31 | |
| 09/01/1999 | 7 | 10 | BXO | S28E19 | |
| 10/01/1999 | 6 | 40 | DSO | S28E06 | |
| 11/01/1999 | 5 | 40 | CAO | S28W07 | |
| 12/01/1999 | 2 | 10 | AXX | S28W19 | |
| 13/01/1999 | 1 | 20 | HAX | S27W32 |
| C |
|---|
| 4 |
Le top 4 des éruptions solaires de la région 8431
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | C5.31 | 08/01/1999 | 09:51 | 10:22 | 11:10 | |
| 2 | C2 | 06/01/1999 | 13:34 | 13:41 | 13:52 | |
| 3 | C1.76 | 06/01/1999 | 13:09 | 13:31 | 13:33 | |
| 4 | C1.46 | 10/01/1999 | 02:41 | 02:59 | 03:08 |
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La Météo Spatiale en faits
| Dernière classe X | 08/12/2025 | X1.1 |
| Dernière classe M | 31/12/2025 | M7.11 |
| Dernier orage géomagnétique | 02/01/2026 | Kp5 (G1) |
| Jours sans taches solaires | |
|---|---|
| Dernier jour sans taches solaires | 08/06/2022 |
| Nombre mensuel moyen de taches solaires | |
|---|---|
| décembre 2025 | 124 +32.2 |
| janvier 2026 | 112.1 -11.9 |
| 30 derniers jours | 105.6 -3.7 |