| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 31/01/2001 | 1 | 100 | HSX | N24E67 | |
| 01/02/2001 | 11 | 230 | ESO | N26E57 | |
| 02/02/2001 | 12 | 220 | EAO | N25E44 | |
| 03/02/2001 | 16 | 140 | EAO | N26E31 | |
| 04/02/2001 | 17 | 160 | ESO | N26E18 | |
| 05/02/2001 | 17 | 130 | EAI | N25E04 | |
| 06/02/2001 | 6 | 90 | DAO | N26W09 | |
| 07/02/2001 | 10 | 80 | DAO | N26W21 | |
| 08/02/2001 | 8 | 80 | DAO | N25W36 | |
| 09/02/2001 | 7 | 80 | CAO | N26W47 | |
| 10/02/2001 | 6 | 70 | DSO | N25W61 | |
| 11/02/2001 | 1 | 20 | HSX | N22W80 | |
| 12/02/2001 | 1 | 0 | AXX | N22W91 |
| C | M |
|---|---|
| 5 | 1 |
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | M1.13 | 01/02/2001 | 07:07 | 07:12 | 07:15 | |
| 2 | C5.9 | 01/02/2001 | 17:07 | 17:12 | 17:17 | |
| 3 | C3.83 | 01/02/2001 | 12:55 | 13:00 | 13:04 | |
| 4 | C3.69 | 04/02/2001 | 08:35 | 08:41 | 08:47 | |
| 5 | C2.9 | 30/01/2001 | 18:22 | 18:53 | 19:06 | |
| 6 | C2.53 | 04/02/2001 | 00:02 | 00:22 | 01:11 |
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| 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 | 118.7 -5.3 |
| 30 derniers jours | 120.4 +5.6 |