| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 1999/02/28 | 5 | 10 | BXO | N32E43 | |
| 1999/03/01 | 10 | 30 | CAO | N32E29 | |
| 1999/03/02 | 17 | 120 | DAO | N32E15 | |
| 1999/03/03 | 15 | 150 | DAO | N31E02 | |
| 1999/03/04 | 17 | 140 | EAO | N31W11 | |
| 1999/03/05 | 14 | 100 | EAO | N32W23 | |
| 1999/03/06 | 9 | 50 | CRO | N31W37 | |
| 1999/03/07 | 3 | 20 | BXO | N30W51 |
| C |
|---|
| 2 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | C4.39 | 1999/03/03 | 23:33 | 23:43 | 23:50 | |
| 2 | C3.87 | 1999/03/06 | 23:05 | 23:23 | 23:54 |
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| Ultimo brillamento X | 2026/04/24 | X2.5 |
| Ultimo brillamento M | 2026/05/29 | M1.1 |
| 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 | 99.1 +19.8 |
| Ultimi 30 giorni | 99.1 +7.5 |