| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 1999/04/30 | 1 | 10 | AXX | N22E35 | |
| 1999/05/03 | 5 | 10 | BXO | N23W03 | |
| 1999/05/04 | 4 | 10 | BXO | N23W16 | |
| 1999/05/05 | 8 | 20 | BXO | N22W31 | |
| 1999/05/06 | 8 | 50 | DAO | N20W44 | |
| 1999/05/07 | 9 | 100 | DAO | N20W56 | |
| 1999/05/08 | 5 | 50 | CSO | N19W70 | |
| 1999/05/09 | 5 | 260 | EAO | N19W80 |
| C | M |
|---|---|
| 1 | 1 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | M6.7 | 1999/05/08 | 14:22 | 14:40 | 15:01 | |
| 2 | C4.63 | 1999/05/07 | 06:55 | 07:03 | 07:15 |
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| Ultimo brillamento X | 2026/03/30 | X1.5 |
| Ultimo brillamento M | 2026/04/04 | M1.0 |
| 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 | 128.3 +42.3 |
| Ultimi 30 giorni | 98.2 +38.5 |