| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 1997/08/28 | 2 | 10 | AXX | N17E26 | |
| 1997/08/29 | 3 | 10 | AXX | N16E12 | |
| 1997/08/30 | 2 | 0 | AXX | N21E05 | |
| 1997/08/31 | 5 | 10 | BXO | N20W05 | |
| 1997/09/01 | 4 | 10 | BXO | N21W20 | |
| 1997/09/02 | 8 | 10 | AXX | N21W33 | |
| 1997/09/03 | 3 | 10 | AXX | N21W46 |
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| Ultimo brillamento X | 2025/12/08 | X1.1 |
| Ultimo brillamento M | 2025/12/31 | M7.11 |
| Ultima tempesta geomagnetica | 2026/01/02 | Kp5 (G1) |
| Giorni senza macchie | |
|---|---|
| Ultimo giorno senza macchie | 2022/06/08 |
| Media mensile Numero di Macchie Solari | |
|---|---|
| dicembre 2025 | 124 +32.2 |
| gennaio 2026 | 111.2 -12.8 |
| Ultimi 30 giorni | 106.5 -1.5 |