| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 1998/07/23 | 3 | 10 | BXO | N33E67 | |
| 1998/07/24 | 10 | 40 | CRO | N33E56 | |
| 1998/07/25 | 13 | 210 | DAI | N32E43 | |
| 1998/07/26 | 12 | 420 | DAI | N31E31 | |
| 1998/07/27 | 19 | 560 | DKI | N32E16 | |
| 1998/07/28 | 16 | 530 | DKI | N32E04 | |
| 1998/07/29 | 14 | 390 | DKI | N31W09 | |
| 1998/07/30 | 18 | 320 | DKI | N32W27 | |
| 1998/07/31 | 12 | 280 | DKO | N31W34 | |
| 1998/08/01 | 10 | 260 | CAO | N31W48 | |
| 1998/08/02 | 4 | 160 | CAO | N30W60 | |
| 1998/08/03 | 4 | 130 | CAO | N30W72 | |
| 1998/08/04 | 1 | 90 | HSX | N30W83 |
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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 | 91.3 -10 |