| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 24/03/2001 | 3 | 700 | DKO | N20E65 | |
| 25/03/2001 | 12 | 820 | EKC | N20E54 | |
| 26/03/2001 | 21 | 1040 | EKC | N20E39 | |
| 27/03/2001 | 61 | 1100 | FKC | N18E27 | |
| 28/03/2001 | 55 | 1590 | FKC | N17E11 | |
| 29/03/2001 | 51 | 2240 | FKC | N13E00 | |
| 30/03/2001 | 51 | 2440 | FKI | N17W18 | |
| 31/03/2001 | 63 | 2240 | FKC | N17W30 | |
| 01/04/2001 | 62 | 2000 | FKC | N17W43 | |
| 02/04/2001 | 53 | 1700 | FKC | N16W56 | |
| 03/04/2001 | 40 | 1810 | FKC | N16W70 | |
| 04/04/2001 | 17 | 1080 | FKC | N18W82 | |
| 05/04/2001 | 3 | 280 | DSO | N18W94 |
| C | M | X |
|---|---|---|
| 18 | 34 | 4 |
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | X28.5 | 02/04/2001 | 21:32 | 21:51 | 22:03 | |
| 2 | X2.45 | 29/03/2001 | 09:57 | 10:15 | 10:32 | |
| 3 | X2.01 | 02/04/2001 | 10:04 | 10:14 | 10:20 | |
| 4 | X1.59 | 02/04/2001 | 10:58 | 11:36 | 12:05 | |
| 5 | M6.17 | 28/03/2001 | 11:21 | 12:40 | 13:06 | |
| 6 | M5.75 | 01/04/2001 | 19:44 | 19:49 | 19:56 | |
| 7 | M4.59 | 02/04/2001 | 00:14 | 00:28 | 00:40 | |
| 8 | M3.57 | 25/03/2001 | 04:12 | 04:24 | 04:31 | |
| 9 | M3.57 | 03/04/2001 | 12:29 | 12:34 | 12:38 | |
| 10 | M3.22 | 30/03/2001 | 05:11 | 05:15 | 05:20 |
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| Dernière classe X | 08/12/2025 | X1.1 |
| Dernière classe M | 20/12/2025 | M1.0 |
| Dernier orage géomagnétique | 12/12/2025 | 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 | 118.5 +26.7 |
| 30 derniers jours | 108.7 +20.4 |