| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 22/08/2001 | 1 | 60 | HAX | S18E71 | |
| 23/08/2001 | 8 | 280 | FKO | S17E63 | |
| 24/08/2001 | 28 | 730 | FKI | S17E53 | |
| 25/08/2001 | 32 | 650 | FKI | S18E42 | |
| 26/08/2001 | 32 | 740 | FKI | S19E32 | |
| 27/08/2001 | 43 | 740 | FKI | S19E18 | |
| 29/08/2001 | 41 | 620 | FKI | S19W06 | |
| 30/08/2001 | 26 | 570 | FKI | S18W22 | |
| 31/08/2001 | 25 | 490 | FKI | S20W33 | |
| 01/09/2001 | 17 | 400 | FKO | S20W39 | |
| 02/09/2001 | 19 | 370 | FKO | S20W46 | |
| 03/09/2001 | 15 | 340 | EKO | S18W65 | |
| 04/09/2001 | 6 | 260 | FKO | S18W81 | |
| 05/09/2001 | 1 | 100 | HKX | S19W92 |
| C | M | X |
|---|---|---|
| 44 | 12 | 1 |
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | X7.7 | 25/08/2001 | 16:23 | 16:45 | 17:04 | |
| 2 | M5.02 | 25/08/2001 | 23:47 | 00:17 | 00:44 | |
| 3 | M4.35 | 02/09/2001 | 13:41 | 13:48 | 13:54 | |
| 4 | M2.28 | 30/08/2001 | 17:45 | 17:57 | 18:11 | |
| 5 | M1.95 | 02/09/2001 | 05:54 | 06:02 | 06:12 | |
| 6 | M1.8 | 25/08/2001 | 09:09 | 09:28 | 09:32 | |
| 7 | M1.7 | 25/08/2001 | 19:52 | 19:56 | 19:59 | |
| 8 | M1.67 | 24/08/2001 | 08:48 | 09:13 | 09:41 | |
| 9 | M1.53 | 28/08/2001 | 00:02 | 00:12 | 00:23 | |
| 10 | M1.08 | 22/08/2001 | 18:44 | 18:49 | 18:56 |
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| Dernière classe X | 08/12/2025 | X1.1 |
| Dernière classe M | 20/12/2025 | M1.0 |
| Dernier orage géomagnétique | 12/12/2025 | Kp5 (G1) |
| Jours sans taches solaires | |
|---|---|
| Dernier jour sans taches solaires | 08/06/2022 |
| Nombre mensuel moyen de taches solaires | |
|---|---|
| novembre 2025 | 91.8 -22.8 |
| décembre 2025 | 118.5 +26.7 |
| 30 derniers jours | 108.7 +20.4 |