Tâche solaire AR8737
| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 20/10/1999 | 8 | 50 | CAO | S15E14 | |
| 21/10/1999 | 17 | 70 | DAO | S16E01 | |
| 22/10/1999 | 28 | 170 | EAI | S15W12 | |
| 23/10/1999 | 22 | 310 | EAI | S15W26 | |
| 24/10/1999 | 17 | 270 | EKO | S14W40 | |
| 25/10/1999 | 13 | 330 | EKO | S13W54 | |
| 26/10/1999 | 5 | 370 | EAO | S13W67 | |
| 27/10/1999 | 5 | 360 | EAO | S15W78 | |
| 28/10/1999 | 1 | 140 | HSX | S13W89 |
| C | M |
|---|---|
| 4 | 1 |
Le top 5 des éruptions solaires de la région 8737
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | M2.59 | 27/10/1999 | 13:24 | 13:37 | 14:01 | |
| 2 | C6.89 | 25/10/1999 | 19:28 | 19:48 | 20:01 | |
| 3 | C4.43 | 26/10/1999 | 12:56 | 13:00 | 13:03 | |
| 4 | C2.84 | 21/10/1999 | 06:20 | 06:25 | 06:30 | |
| 5 | C1.59 | 19/10/1999 | 17:07 | 17:16 | 17:21 |
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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 | 114.4 -9.6 |
| 30 derniers jours | 118.1 +9.1 |