| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 19/02/2015 | 1 | 10 | AXX | N19E70 | |
| 20/02/2015 | 7 | 30 | DRO | N19E54 | |
| 21/02/2015 | 3 | 20 | DRI | N19E43 | |
| 22/02/2015 | 3 | 30 | DRO | N19E31 | |
| 23/02/2015 | 3 | 30 | DRO | N20E18 | |
| 24/02/2015 | 8 | 40 | DAO | N20E05 | |
| 25/02/2015 | 11 | 70 | DAI | N20W08 | |
| 26/02/2015 | 15 | 70 | DAO | N19W22 | |
| 27/02/2015 | 5 | 50 | CAO | N19W36 | |
| 28/02/2015 | 3 | 30 | CRO | N19W50 | |
| 01/03/2015 | 3 | 40 | CAO | N22W63 | |
| 02/03/2015 | 2 | 40 | HSX | N20W83 | |
| 03/03/2015 | 1 | 30 | HSX | N22W94 | |
| 04/03/2015 | 1 | 30 | HSX | N22W0* |
| C | M | X |
|---|---|---|
| 22 | 4 | 1 |
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | X1.18 | 03/03/2015 | 01:25 | 01:35 | 01:42 | |
| 2 | M5.89 | 02/03/2015 | 19:21 | 19:31 | 19:36 | |
| 3 | M5.41 | 02/03/2015 | 15:10 | 15:28 | 15:37 | |
| 4 | M1.69 | 02/03/2015 | 09:37 | 09:48 | 09:58 | |
| 5 | M1.5 | 02/03/2015 | 06:31 | 06:39 | 06:44 | |
| 6 | C9.76 | 01/03/2015 | 15:33 | 16:13 | 16:31 | |
| 7 | C7.94 | 02/03/2015 | 10:24 | 10:34 | 10:58 | |
| 8 | C7.47 | 02/03/2015 | 07:43 | 07:48 | 07:54 | |
| 9 | C5.82 | 03/03/2015 | 13:21 | 13:37 | 13:59 | |
| 10 | C5.67 | 02/03/2015 | 17:23 | 17:37 | 17:51 |
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| Dernière classe X | 18/01/2026 | X1.9 |
| Dernière classe M | 19/01/2026 | M1.2 |
| Dernier orage géomagnétique | 19/01/2026 | Kp9- (G4) |
| 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 | 103.8 -20.2 |
| 30 derniers jours | 109 +1.5 |