| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 15/10/2002 | 3 | 30 | CRO | S20E54 | |
| 16/10/2002 | 5 | 30 | CSO | S20E41 | |
| 17/10/2002 | 17 | 160 | DAI | S20E28 | |
| 18/10/2002 | 18 | 140 | DAI | S20E15 | |
| 19/10/2002 | 22 | 140 | DAI | S20E02 | |
| 20/10/2002 | 18 | 110 | EAO | S22W12 | |
| 21/10/2002 | 28 | 130 | EAO | S21W26 | |
| 22/10/2002 | 16 | 80 | EAO | S22W40 | |
| 23/10/2002 | 13 | 110 | DAO | S20W56 | |
| 24/10/2002 | 5 | 60 | DSO | S19W72 | |
| 25/10/2002 | 4 | 10 | BXO | S18W83 |
| C | M |
|---|---|
| 5 | 4 |
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | M2.6 | 20/10/2002 | 14:21 | 14:28 | 14:35 | |
| 2 | M1.77 | 20/10/2002 | 05:01 | 05:14 | 05:19 | |
| 3 | M1.08 | 20/10/2002 | 02:19 | 02:23 | 02:27 | |
| 4 | M1.02 | 16/10/2002 | 03:10 | 03:14 | 03:17 | |
| 5 | C9.5 | 21/10/2002 | 21:01 | 21:13 | 21:24 | |
| 6 | C4.74 | 21/10/2002 | 00:45 | 00:57 | 01:04 | |
| 7 | C2.63 | 16/10/2002 | 11:47 | 11:49 | 11:51 | |
| 8 | C2.54 | 19/10/2002 | 13:41 | 13:49 | 13:52 | |
| 9 | C2.26 | 19/10/2002 | 17:54 | 17:58 | 18:06 |
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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 | 119.4 -4.6 |
| 30 derniers jours | 121.8 +8.9 |