| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 2011/09/15 | 4 | 40 | CSO | N16E52 | |
| 2011/09/16 | 5 | 40 | DSO | N16E38 | |
| 2011/09/17 | 7 | 70 | DSO | N15E23 | |
| 2011/09/18 | 3 | 100 | DSO | N15E09 | |
| 2011/09/19 | 7 | 30 | CRO | N15W06 | |
| 2011/09/20 | 2 | 20 | HRX | N14W22 | |
| 2011/09/21 | 3 | 20 | DRO | N15W36 | |
| 2011/09/22 | 2 | 10 | BXO | N16W47 |
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| Ultimo brillamento X | 2026/04/24 | X2.5 |
| Ultimo brillamento M | 2026/05/10 | M5.7 |
| Ultima tempesta geomagnetica | 2026/05/05 | Kp5 (G1) |
| Giorni senza macchie | |
|---|---|
| Ultimi 365 giorni | 3 giorni |
| 2026 | 3 giorni (2%) |
| Ultimo giorno senza macchie | 2026/02/24 |
| Media mensile Numero di Macchie Solari | |
|---|---|
| aprile 2026 | 79.3 -6.6 |
| maggio 2026 | 96.6 +17.3 |
| Ultimi 30 giorni | 95 +2.5 |