| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 23/09/2001 | 4 | 90 | DAO | N12E76 | |
| 24/09/2001 | 4 | 230 | FAO | N12E68 | |
| 25/09/2001 | 5 | 120 | DAO | N12E54 | |
| 26/09/2001 | 11 | 80 | DAO | N12E41 | |
| 27/09/2001 | 7 | 90 | DAO | N12E24 | |
| 28/09/2001 | 8 | 110 | DAO | N12E11 | |
| 29/09/2001 | 9 | 80 | DSO | N12W02 | |
| 30/09/2001 | 6 | 60 | DAO | N12W15 | |
| 01/10/2001 | 7 | 70 | DAO | N12W29 | |
| 02/10/2001 | 10 | 70 | CAO | N11W38 | |
| 03/10/2001 | 4 | 50 | HSX | N12W51 | |
| 04/10/2001 | 6 | 60 | CAO | N11W63 | |
| 05/10/2001 | 4 | 110 | CAO | N12W76 |
| C | M |
|---|---|
| 4 | 2 |
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | M1.72 | 28/09/2001 | 21:15 | 21:25 | 21:34 | |
| 2 | M1.21 | 28/09/2001 | 17:51 | 18:42 | 18:51 | |
| 3 | C5.53 | 02/10/2001 | 15:38 | 15:49 | 16:01 | |
| 4 | C4.88 | 03/10/2001 | 16:48 | 17:08 | 17:15 | |
| 5 | C4.45 | 04/10/2001 | 11:53 | 12:33 | 13:12 | |
| 6 | C3.85 | 03/10/2001 | 19:21 | 19:25 | 19:31 |
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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 | 114.4 -9.6 |
| 30 derniers jours | 118.1 +9.1 |