Tâche solaire AR8471
| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 24/02/1999 | 4 | 80 | DAO | N28E55 | |
| 25/02/1999 | 8 | 50 | CSO | N29E41 | |
| 26/02/1999 | 11 | 20 | BXO | N30E26 | |
| 27/02/1999 | 15 | 60 | CRO | N28E15 | |
| 28/02/1999 | 14 | 80 | DSO | N29E01 | |
| 01/03/1999 | 26 | 120 | EAO | N29W12 | |
| 02/03/1999 | 31 | 100 | EAO | N28W27 | |
| 03/03/1999 | 19 | 160 | EAO | N28W39 | |
| 04/03/1999 | 11 | 170 | CAO | N29W53 | |
| 05/03/1999 | 6 | 180 | CAO | N28W64 | |
| 06/03/1999 | 1 | 60 | HAX | N28W83 |
| B | C | M |
|---|---|---|
| 1 | 13 | 1 |
Le top 10 des éruptions solaires de la région 8471
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | M9.44 | 28/02/1999 | 16:31 | 16:39 | 16:43 | |
| 2 | C8.96 | 02/03/1999 | 14:47 | 15:19 | 15:30 | |
| 3 | C6.54 | 03/03/1999 | 03:31 | 03:45 | 03:56 | |
| 4 | C4.46 | 01/03/1999 | 13:29 | 13:37 | 13:48 | |
| 5 | C3.2 | 28/02/1999 | 21:34 | 21:48 | 21:57 | |
| 6 | C2.96 | 01/03/1999 | 05:28 | 05:42 | 06:05 | |
| 7 | C2.91 | 03/03/1999 | 01:22 | 01:28 | 01:37 | |
| 8 | C2.54 | 01/03/1999 | 03:37 | 03:45 | 03:55 | |
| 9 | C2.24 | 26/02/1999 | 20:15 | 20:21 | 20:27 | |
| 10 | C1.69 | 26/02/1999 | 18:56 | 19:09 | 19:15 |
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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 | |
|---|---|
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| janvier 2026 | 119.4 -4.6 |
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