Tâche solaire AR8440
| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 14/01/1999 | 5 | 60 | CAO | N21E70 | |
| 15/01/1999 | 12 | 190 | DAO | N19E56 | |
| 16/01/1999 | 26 | 300 | DAI | N20E42 | |
| 17/01/1999 | 31 | 360 | EAI | N19E29 | |
| 18/01/1999 | 42 | 300 | EAI | N19E16 | |
| 19/01/1999 | 54 | 310 | FSI | N19E03 | |
| 20/01/1999 | 49 | 300 | EAI | N19W10 | |
| 21/01/1999 | 39 | 300 | FAI | N19W24 | |
| 22/01/1999 | 25 | 330 | FAI | N19W37 | |
| 23/01/1999 | 21 | 360 | FHI | N19W50 | |
| 24/01/1999 | 17 | 270 | FAI | N19W63 | |
| 25/01/1999 | 7 | 150 | FSO | N19W79 | |
| 26/01/1999 | 4 | 60 | DAO | N19W88 |
| C | M |
|---|---|
| 57 | 4 |
Le top 10 des éruptions solaires de la région 8440
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | M5.27 | 16/01/1999 | 12:02 | 12:07 | 12:10 | |
| 2 | M2.96 | 18/01/1999 | 07:52 | 08:04 | 08:23 | |
| 3 | M1.91 | 15/01/1999 | 06:32 | 07:21 | 07:42 | |
| 4 | M1.42 | 15/01/1999 | 14:36 | 14:44 | 14:50 | |
| 5 | C9.31 | 14/01/1999 | 00:52 | 01:00 | 01:06 | |
| 6 | C7.93 | 13/01/1999 | 18:51 | 18:58 | 19:05 | |
| 7 | C7.37 | 21/01/1999 | 04:24 | 04:46 | 05:06 | |
| 8 | C7.21 | 16/01/1999 | 23:24 | 23:34 | 00:02 | |
| 9 | C7.01 | 15/01/1999 | 18:58 | 19:19 | 19:24 | |
| 10 | C6.9 | 18/01/1999 | 03:10 | 03:16 | 03:30 |
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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 |