| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 2011/09/17 | 8 | 30 | CRO | S21E11 | |
| 2011/09/18 | 6 | 40 | DSO | S20W02 | |
| 2011/09/19 | 17 | 110 | DAI | S20W15 | |
| 2011/09/20 | 13 | 60 | DAO | S19W28 | |
| 2011/09/21 | 7 | 40 | DAO | S20W40 | |
| 2011/09/22 | 4 | 20 | CRO | S20W53 | |
| 2011/09/23 | 2 | 10 | BXO | S19W64 | |
| 2011/09/24 | 1 | 10 | AXX | S20W81 |
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| Ultimo brillamento X | 2025/12/08 | X1.1 |
| Ultimo brillamento M | 2025/12/12 | M1.1 |
| Ultima tempesta geomagnetica | 2025/12/12 | Kp5 (G1) |
| Giorni senza macchie | |
|---|---|
| Ultimo giorno senza macchie | 2022/06/08 |
| Media mensile Numero di Macchie Solari | |
|---|---|
| novembre 2025 | 91.8 -22.8 |
| dicembre 2025 | 128 +36.2 |
| Ultimi 30 giorni | 110.1 +18.9 |