| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 1998/06/28 | 1 | 40 | HSX | S21E74 | |
| 1998/06/29 | 5 | 190 | FAO | S22E64 | |
| 1998/06/30 | 16 | 280 | EAC | S20E56 | |
| 1998/07/01 | 13 | 210 | CAO | S22E44 | |
| 1998/07/02 | 15 | 100 | CAO | S22E30 | |
| 1998/07/03 | 10 | 50 | CAO | S24E12 | |
| 1998/07/04 | 9 | 30 | CRO | S23E01 | |
| 1998/07/05 | 15 | 30 | CSO | S23W14 | |
| 1998/07/06 | 16 | 50 | CRO | S23W25 | |
| 1998/07/07 | 13 | 20 | BXO | S23W39 | |
| 1998/07/08 | 4 | 20 | BXO | S22W48 |
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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 | 112.3 +33 |
| Ultimi 30 giorni | 92.5 -8.1 |