Tâche solaire AR8617
| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 03/07/1999 | 6 | 10 | BXO | N14W28 | |
| 04/07/1999 | 12 | 100 | DAO | N14W42 | |
| 05/07/1999 | 14 | 190 | DAO | N14W57 | |
| 06/07/1999 | 6 | 150 | DAO | N12W69 | |
| 07/07/1999 | 5 | 100 | DAO | N13W82 | |
| 08/07/1999 | 3 | 90 | DAO | N14W94 |
| M |
|---|
| 1 |
Le top 1 des éruptions solaires de la région 8617
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | M1.1 | 05/07/1999 | 01:20 | 01:31 | 01:46 |
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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 | 126.7 +2.7 |
| 30 derniers jours | 109.3 +2.1 |