| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 27/02/2018 | 6 | 30 | CRO | N06W13 | |
| 28/02/2018 | 5 | 10 | BXO | N06W28 | |
| 01/03/2018 | 1 | 10 | AXX | N07W41 | |
| 02/03/2018 | 1 | 10 | AXX | N08W55 | |
| 03/03/2018 | 1 | 10 | AXX | N07W68 |
| B | C |
|---|---|
| 10 | 1 |
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | C2.78 | 02/03/2018 | 10:56 | 11:07 | 11:13 | |
| 2 | B9.59 | 02/03/2018 | 00:30 | 00:52 | 01:17 | |
| 3 | B7.17 | 02/03/2018 | 05:14 | 05:27 | 05:34 | |
| 4 | B6.81 | 03/03/2018 | 04:01 | 04:07 | 04:12 | |
| 5 | B4.47 | 26/02/2018 | 15:48 | 15:51 | 15:53 | |
| 6 | B3.29 | 28/02/2018 | 14:12 | 14:27 | 14:53 | |
| 7 | B2.14 | 28/02/2018 | 16:07 | 16:10 | 16:12 | |
| 8 | B1.7 | 02/03/2018 | 07:58 | 08:03 | 08:08 | |
| 9 | B1.43 | 01/03/2018 | 22:03 | 22:07 | 22:13 | |
| 10 | B1.37 | 04/03/2018 | 02:55 | 03:01 | 03:07 |
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| Dernière classe X | 08/12/2025 | X1.1 |
| Dernière classe M | 21/12/2025 | M1.3 |
| Dernier orage géomagnétique | 21/12/2025 | Kp5 (G1) |
| Jours sans taches solaires | |
|---|---|
| Dernier jour sans taches solaires | 08/06/2022 |
| Nombre mensuel moyen de taches solaires | |
|---|---|
| novembre 2025 | 91.8 -22.8 |
| décembre 2025 | 116.9 +25.1 |
| 30 derniers jours | 109 +22.2 |