| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 1998/02/12 | 2 | 10 | BXO | S19E77 | |
| 1998/02/13 | 3 | 10 | BXO | S19E62 | |
| 1998/02/14 | 4 | 10 | BXO | S19E50 | |
| 1998/02/15 | 4 | 20 | CSO | S20E36 | |
| 1998/02/16 | 4 | 10 | BXO | S21E23 | |
| 1998/02/17 | 5 | 20 | CRO | S21E10 | |
| 1998/02/18 | 3 | 10 | BXO | S21W03 | |
| 1998/02/19 | 3 | 10 | BXO | S22W14 | |
| 1998/02/20 | 4 | 20 | BXO | S21W29 | |
| 1998/02/23 | 2 | 10 | BXO | S20W69 | |
| 1998/02/24 | 5 | 70 | CSO | S19W82 |
| B |
|---|
| 1 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | B4.9 | 1998/02/18 | 06:31 | 06:36 | 06:38 |
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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 |
| Ultimi 30 giorni | 97.1 +4.5 |