| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 1999/03/15 | 4 | 20 | CSO | S27E37 | |
| 1999/03/16 | 3 | 0 | BXO | S26E22 | |
| 1999/03/17 | 3 | 20 | CSO | S26E09 | |
| 1999/03/18 | 8 | 40 | CSO | S26W04 | |
| 1999/03/19 | 18 | 110 | DSO | S26W17 | |
| 1999/03/20 | 14 | 90 | DAO | S27W30 | |
| 1999/03/21 | 6 | 30 | CSO | S26W44 | |
| 1999/03/22 | 2 | 10 | AXX | S26W58 | |
| 1999/03/23 | 2 | 0 | AXX | S26W72 |
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| Ultimo brillamento X | 2026/03/30 | X1.5 |
| Ultimo brillamento M | 2026/04/04 | M1.3 |
| Ultima tempesta geomagnetica | 2026/04/03 | Kp7- (G3) |
| Giorni senza macchie | |
|---|---|
| Ultimi 365 giorni | 3 giorni |
| 2026 | 3 giorni (3%) |
| Ultimo giorno senza macchie | 2026/02/24 |
| Media mensile Numero di Macchie Solari | |
|---|---|
| marzo 2026 | 85.9 +7.7 |
| aprile 2026 | 133.3 +47.4 |
| Ultimi 30 giorni | 96.1 +32 |