| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 1997/12/09 | 5 | 30 | BXO | S22E35 | |
| 1997/12/10 | 9 | 50 | CRO | S22E22 | |
| 1997/12/11 | 7 | 40 | CAO | S22E10 | |
| 1997/12/12 | 1 | 0 | AXX | S21W06 | |
| 1997/12/14 | 1 | 0 | AXX | S20W31 |
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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 | 112.1 -11.9 |
| Ultimi 30 giorni | 105.6 -3.7 |