| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 1997/05/20 | 6 | 20 | BXO | N28W40 | |
| 1997/05/21 | 10 | 30 | CRO | N28W53 | |
| 1997/05/23 | 3 | 60 | CSO | N27W80 |
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| Ultimo brillamento X | 2026/01/18 | X1.9 |
| Ultimo brillamento M | 2026/02/01 | M6.7 |
| Ultima tempesta geomagnetica | 2026/01/28 | Kp5+ (G1) |
| Giorni senza macchie | |
|---|---|
| Ultimo giorno senza macchie | 2022/06/08 |
| Media mensile Numero di Macchie Solari | |
|---|---|
| dicembre 2025 | 124 +32.2 |
| Ultimi 30 giorni | 119.2 +2.7 |