| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 1997/08/06 | 1 | 0 | AXX | S20E53 | |
| 1997/08/07 | 3 | 10 | BXO | S19E39 | |
| 1997/08/08 | 9 | 30 | DSO | S19E25 | |
| 1997/08/09 | 12 | 60 | DAO | S20E11 | |
| 1997/08/10 | 12 | 50 | CSO | S20W01 | |
| 1997/08/11 | 7 | 30 | CSO | S20W15 | |
| 1997/08/12 | 5 | 10 | BXO | S20W30 | |
| 1997/08/13 | 7 | 10 | BXO | S20W42 | |
| 1997/08/14 | 10 | 50 | CAO | S20W55 | |
| 1997/08/15 | 4 | 40 | DSO | S19W68 | |
| 1997/08/16 | 1 | 10 | AXX | S20W82 |
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| Ultimo brillamento X | 2026/04/24 | X2.5 |
| Ultimo brillamento M | 2026/05/22 | M2.3 |
| Ultima tempesta geomagnetica | 2026/05/16 | Kp6- (G2) |
| 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 | 87.5 +8.2 |
| Ultimi 30 giorni | 98 +7.5 |