| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 1999/07/21 | 1 | 40 | HSX | N17E76 | |
| 1999/07/22 | 1 | 80 | HSX | N17E63 | |
| 1999/07/23 | 1 | 90 | HSX | N17E49 | |
| 1999/07/24 | 1 | 110 | HSX | N17E37 | |
| 1999/07/25 | 1 | 120 | HAX | N17E24 | |
| 1999/07/26 | 1 | 90 | HSX | N17E10 | |
| 1999/07/27 | 1 | 90 | HSX | N17W03 | |
| 1999/07/28 | 1 | 90 | HSX | N17W16 | |
| 1999/07/29 | 2 | 70 | HSX | N17W28 | |
| 1999/07/30 | 7 | 110 | CSO | N16W42 | |
| 1999/07/31 | 4 | 100 | CSO | N16W55 | |
| 1999/08/01 | 3 | 90 | CSO | N17W69 | |
| 1999/08/02 | 1 | 60 | HSX | N18W82 | |
| 1999/08/03 | 1 | 10 | HSX | N17W94 |
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| Ultimo brillamento X | 2026/04/24 | X2.5 |
| Ultimo brillamento M | 2026/05/04 | M1.9 |
| Ultima tempesta geomagnetica | 2026/05/04 | 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 | 143 +63.7 |
| Ultimi 30 giorni | 92.9 -5 |