| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 07/11/1999 | 3 | 110 | CSO | N10E78 | |
| 08/11/1999 | 16 | 440 | EKC | N08E70 | |
| 09/11/1999 | 34 | 850 | FKC | N13E58 | |
| 10/11/1999 | 67 | 920 | FKC | N10E45 | |
| 11/11/1999 | 73 | 870 | FKC | N10E32 | |
| 12/11/1999 | 80 | 630 | FKC | N10E19 | |
| 13/11/1999 | 82 | 390 | FKC | N10E06 | |
| 14/11/1999 | 67 | 350 | FKC | N10W07 | |
| 15/11/1999 | 56 | 270 | FAI | N11W21 | |
| 16/11/1999 | 44 | 270 | FAI | N11W32 | |
| 17/11/1999 | 34 | 200 | FAI | N12W45 | |
| 18/11/1999 | 24 | 180 | CAO | N12W58 | |
| 19/11/1999 | 8 | 120 | DAO | N13W66 | |
| 20/11/1999 | 4 | 40 | CSO | N12W79 |
| C | M |
|---|---|
| 10 | 7 |
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | M2.46 | 12/11/1999 | 08:54 | 09:16 | 09:36 | |
| 2 | M2.03 | 14/11/1999 | 16:54 | 17:04 | 17:19 | |
| 3 | M1.87 | 10/11/1999 | 01:40 | 01:51 | 02:00 | |
| 4 | M1.66 | 09/11/1999 | 19:42 | 20:09 | 20:58 | |
| 5 | M1.23 | 11/11/1999 | 14:39 | 14:49 | 15:08 | |
| 6 | M1.22 | 08/11/1999 | 18:04 | 18:52 | 19:25 | |
| 7 | M1.08 | 18/11/1999 | 07:55 | 08:07 | 08:23 | |
| 8 | C7.4 | 11/11/1999 | 19:55 | 20:00 | 20:06 | |
| 9 | C6.44 | 13/11/1999 | 19:21 | 19:26 | 19:31 | |
| 10 | C5.66 | 09/11/1999 | 13:32 | 13:38 | 13:56 |
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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 | 106.7 -17.3 |
| 30 derniers jours | 101.8 -7.7 |