| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 1999/07/07 | 1 | 20 | HRX | S20E76 | |
| 1999/07/08 | 1 | 40 | HSX | S20E63 | |
| 1999/07/09 | 1 | 40 | HSX | S20E49 | |
| 1999/07/10 | 1 | 40 | HSX | S20E36 | |
| 1999/07/11 | 1 | 30 | HSX | S19E23 | |
| 1999/07/12 | 2 | 20 | HSX | S20E10 | |
| 1999/07/13 | 3 | 20 | CSO | S20W02 | |
| 1999/07/14 | 6 | 30 | CSO | S19W14 | |
| 1999/07/15 | 6 | 30 | DSO | S19W26 | |
| 1999/07/16 | 7 | 20 | CRO | S18W40 | |
| 1999/07/17 | 8 | 70 | DSO | S18W54 | |
| 1999/07/18 | 9 | 80 | DAO | S18W66 | |
| 1999/07/19 | 5 | 80 | CSO | S17W79 | |
| 1999/07/20 | 3 | 60 | DAO | S15W90 |
| B | C |
|---|---|
| 1 | 1 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | C1.46 | 1999/07/15 | 15:51 | 15:58 | 16:05 | |
| 2 | B7.86 | 1999/07/15 | 01:42 | 01:47 | 01:51 |
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| Ultimo brillamento X | 2026/04/24 | X2.5 |
| Ultimo brillamento M | 2026/05/17 | M1.4 |
| 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 | 92.6 +13.3 |
| Ultimi 30 giorni | 95.5 +3.7 |