| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 17/07/2000 | 6 | 90 | DSO | N10E70 | |
| 18/07/2000 | 17 | 250 | FSI | N12E58 | |
| 19/07/2000 | 20 | 190 | FAO | N11E46 | |
| 20/07/2000 | 28 | 190 | FAO | N11E32 | |
| 21/07/2000 | 42 | 190 | FSO | N12E18 | |
| 22/07/2000 | 37 | 320 | FKI | N12E05 | |
| 23/07/2000 | 42 | 340 | FKI | N11W08 | |
| 24/07/2000 | 43 | 310 | FAI | N13W21 | |
| 25/07/2000 | 30 | 360 | FAI | N13W36 | |
| 26/07/2000 | 44 | 450 | FAI | N15W48 | |
| 27/07/2000 | 27 | 380 | FAI | N14W61 | |
| 28/07/2000 | 9 | 320 | FAI | N14W76 | |
| 29/07/2000 | 1 | 140 | HSX | N15W82 | |
| 30/07/2000 | 1 | 60 | HSX | N15W95 |
| C | M |
|---|---|
| 17 | 11 |
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | M7.97 | 21/07/2000 | 14:30 | 14:37 | 14:43 | |
| 2 | M7.96 | 16/07/2000 | 01:59 | 02:03 | 02:08 | |
| 3 | M3.44 | 27/07/2000 | 04:06 | 04:10 | 04:13 | |
| 4 | M2.79 | 21/07/2000 | 10:05 | 10:15 | 10:22 | |
| 5 | M2.43 | 21/07/2000 | 05:17 | 05:24 | 05:29 | |
| 6 | M1.77 | 27/07/2000 | 23:37 | 23:42 | 23:47 | |
| 7 | M1.67 | 16/07/2000 | 21:47 | 21:57 | 22:04 | |
| 8 | M1.56 | 22/07/2000 | 06:52 | 07:11 | 07:24 | |
| 9 | M1.29 | 21/07/2000 | 20:38 | 20:47 | 20:59 | |
| 10 | M1.27 | 26/07/2000 | 03:47 | 04:07 | 04:24 |
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| Dernière classe X | 08/12/2025 | X1.1 |
| Dernière classe M | 31/12/2025 | M7.11 |
| Dernier orage géomagnétique | 02/01/2026 | 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 | 119.3 -4.8 |
| 30 derniers jours | 108.9 +1.7 |