Tâche solaire AR8644
| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 24/07/1999 | 1 | 30 | HAX | S24E68 | |
| 25/07/1999 | 2 | 40 | CAO | S25E54 | |
| 26/07/1999 | 1 | 40 | HSX | S25E42 | |
| 27/07/1999 | 1 | 40 | HSX | S25E28 | |
| 28/07/1999 | 1 | 30 | HSX | S25E16 | |
| 29/07/1999 | 1 | 40 | HSX | S26E02 | |
| 30/07/1999 | 3 | 30 | CSO | S26W08 | |
| 31/07/1999 | 2 | 20 | CRO | S25W23 | |
| 01/08/1999 | 2 | 10 | AXX | S25W36 |
| M |
|---|
| 1 |
Le top 1 des éruptions solaires de la région 8644
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | M1.79 | 23/07/1999 | 22:55 | 23:00 | 23:06 |
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La Météo Spatiale en faits
| Dernière classe X | 18/01/2026 | X1.9 |
| 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 | |
|---|---|
| décembre 2025 | 124 +32.2 |
| janvier 2026 | 103.8 -20.2 |
| 30 derniers jours | 109.8 +2 |