Tâche solaire AR8734
| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 16/10/1999 | 2 | 10 | CRO | N17E21 | |
| 17/10/1999 | 1 | 0 | AXX | N17E08 | |
| 18/10/1999 | 2 | 10 | HSX | N17W09 | |
| 19/10/1999 | 1 | 0 | AXX | N17W23 | |
| 21/10/1999 | 5 | 10 | BXO | N20W46 | |
| 22/10/1999 | 1 | 20 | HSX | N18W59 | |
| 23/10/1999 | 1 | 0 | AXX | N16W72 |
Dernières nouvelles
lundi, 19 janvier 2026
CME impact! S4 solar radiation storm
dimanche, 18 janvier 2026
X1.9 solar flare with earth-directed CME
mercredi, 31 décembre 2025
Happy New Year! Celebrate with an M7.1 solar flare!
Aidez SpaceWeatherLive.com !
A lot of people come to SpaceWeatherLive to follow the Solar activity or if there is a chance to see the aurora, but with more traffic comes higher costs to keep the servers online. If you like SpaceWeatherLive and want to support the project you can choose a subscription for an ad-free site or consider a donation. With your help we can keep SpaceWeatherLive online!
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 | 119.1 -4.9 |
| 30 derniers jours | 122 +10.9 |