| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 1999/03/01 | 4 | 30 | CSO | S25E77 | |
| 1999/03/02 | 5 | 100 | DAO | S26E64 | |
| 1999/03/03 | 4 | 110 | DSO | S26E53 | |
| 1999/03/04 | 5 | 110 | DSO | S26E40 | |
| 1999/03/05 | 13 | 130 | EAO | S32E28 | |
| 1999/03/06 | 21 | 150 | EAO | S26E15 | |
| 1999/03/07 | 21 | 150 | ESO | S29E01 | |
| 1999/03/08 | 17 | 90 | CSO | S25W10 | |
| 1999/03/09 | 14 | 120 | DSO | S27W18 | |
| 1999/03/10 | 17 | 100 | DSO | S28W33 | |
| 1999/03/11 | 9 | 160 | DAO | S28W46 | |
| 1999/03/12 | 7 | 200 | CSO | S29W58 | |
| 1999/03/13 | 2 | 180 | HHX | S30W68 | |
| 1999/03/14 | 2 | 170 | HSX | S28W82 | |
| 1999/03/15 | 1 | 180 | HAX | S28W94 |
| C |
|---|
| 3 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | C4.26 | 1999/03/07 | 03:54 | 04:08 | 04:15 | |
| 2 | C1.49 | 1999/03/04 | 15:59 | 16:09 | 16:15 | |
| 3 | C1.23 | 1999/03/10 | 16:10 | 16:14 | 16:18 |
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| Ultimo brillamento X | 2026/04/24 | X2.5 |
| Ultimo brillamento M | 2026/05/07 | M2.6 |
| 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 | 116.3 +37 |
| Ultimi 30 giorni | 92.9 -7.7 |