| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 1998/08/20 | 2 | 0 | AXX | N18E28 | |
| 1998/08/21 | 9 | 30 | BXO | N17E15 | |
| 1998/08/22 | 8 | 50 | DSO | N16E02 | |
| 1998/08/23 | 8 | 60 | DAO | N16W13 | |
| 1998/08/24 | 13 | 70 | ESO | N15W26 | |
| 1998/08/25 | 13 | 70 | CAO | N16W39 | |
| 1998/08/26 | 11 | 130 | EAO | N19W51 | |
| 1998/08/27 | 6 | 90 | ESO | N15W66 | |
| 1998/08/28 | 3 | 50 | CSO | N17W81 |
| B |
|---|
| 1 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | B9.69 | 1998/08/23 | 02:29 | 02:41 | 02:49 |
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| Ultimo brillamento X | 2026/04/24 | X2.5 |
| Ultimo brillamento M | 2026/05/10 | M5.7 |
| 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 | 112.3 +33 |
| Ultimi 30 giorni | 92.5 -8.1 |