| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 1999/10/04 | 6 | 50 | CSO | S17E56 | |
| 1999/10/05 | 12 | 100 | EAO | S19E46 | |
| 1999/10/06 | 7 | 110 | EAO | S18E34 | |
| 1999/10/07 | 7 | 60 | DAO | S19E20 | |
| 1999/10/08 | 6 | 70 | DSO | S19E05 | |
| 1999/10/09 | 3 | 40 | CAO | S17W12 | |
| 1999/10/10 | 7 | 30 | CSO | S17W24 | |
| 1999/10/11 | 2 | 10 | HRX | S17W37 | |
| 1999/10/12 | 1 | 10 | HRX | S16W50 | |
| 1999/10/13 | 1 | 0 | AXX | S15W64 |
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| Ultimo brillamento X | 2026/04/24 | X2.5 |
| Ultimo brillamento M | 2026/05/10 | M5.7 |
| Ultima tempesta geomagnetica | 2026/05/05 | Kp5 (G1) |
| 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 | 107.2 +27.9 |
| Ultimi 30 giorni | 96.5 +2.2 |