Tâche solaire AR8642
| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 22/07/1999 | 3 | 20 | BXO | S18E65 | |
| 23/07/1999 | 4 | 40 | DSO | S18E51 | |
| 24/07/1999 | 5 | 60 | CSO | S18E38 | |
| 25/07/1999 | 7 | 30 | BXO | S18E25 | |
| 26/07/1999 | 5 | 20 | BXO | S18E11 | |
| 29/07/1999 | 2 | 10 | AXX | S23W27 |
| C |
|---|
| 1 |
Le top 1 des éruptions solaires de la région 8642
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | C1.49 | 21/07/1999 | 14:30 | 14:37 | 14:42 |
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La Météo Spatiale en faits
| Dernière classe X | 18/01/2026 | X1.9 |
| Dernière classe M | 21/01/2026 | M3.4 |
| Dernier orage géomagnétique | 22/01/2026 | 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 | 118.7 -5.3 |
| 30 derniers jours | 120.4 +5.6 |