| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 17/09/2000 | 1 | 60 | HSX | N12E80 | |
| 18/09/2000 | 5 | 170 | DSO | N11E69 | |
| 19/09/2000 | 12 | 320 | DAO | N12E57 | |
| 20/09/2000 | 13 | 360 | EAO | N12E41 | |
| 21/09/2000 | 16 | 210 | EAO | N12E30 | |
| 22/09/2000 | 20 | 160 | ESO | N12E17 | |
| 23/09/2000 | 18 | 170 | CSO | N13E03 | |
| 24/09/2000 | 11 | 140 | CSO | N14W11 | |
| 25/09/2000 | 6 | 80 | CSO | N15W28 | |
| 26/09/2000 | 5 | 80 | CSO | N15W42 | |
| 27/09/2000 | 4 | 60 | CSO | N16W55 | |
| 28/09/2000 | 4 | 50 | CSO | N16W69 | |
| 29/09/2000 | 2 | 10 | CRO | N16W81 |
| C | M |
|---|---|
| 8 | 1 |
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | M1.38 | 27/09/2000 | 03:05 | 03:12 | 03:16 | |
| 2 | C7.71 | 17/09/2000 | 06:33 | 06:43 | 06:49 | |
| 3 | C7.49 | 27/09/2000 | 01:15 | 01:26 | 01:49 | |
| 4 | C4.89 | 17/09/2000 | 20:55 | 21:03 | 21:34 | |
| 5 | C4.77 | 18/09/2000 | 12:19 | 12:31 | 12:42 | |
| 6 | C3.91 | 23/09/2000 | 05:48 | 05:55 | 06:02 | |
| 7 | C3.33 | 18/09/2000 | 02:44 | 02:49 | 02:51 | |
| 8 | C3.11 | 20/09/2000 | 00:21 | 00:27 | 00:46 | |
| 9 | C2.31 | 17/09/2000 | 04:46 | 04:49 | 04:54 |
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| Dernière classe X | 08/12/2025 | X1.1 |
| Dernière classe M | 14/01/2026 | M1.6 |
| Dernier orage géomagnétique | 11/01/2026 | 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 | 91.4 -32.6 |
| 30 derniers jours | 97.3 -8.4 |