| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 1998/09/23 | 5 | 10 | BXO | S20E22 | |
| 1998/09/24 | 12 | 60 | DAO | S20E09 | |
| 1998/09/25 | 14 | 70 | DSO | S20W04 | |
| 1998/09/26 | 12 | 70 | FSI | S18W16 | |
| 1998/09/27 | 7 | 70 | CSO | S20W31 | |
| 1998/09/28 | 1 | 30 | HSX | S21W48 | |
| 1998/09/29 | 1 | 40 | HSX | S22W62 | |
| 1998/09/30 | 2 | 20 | CSO | S21W75 |
| C |
|---|
| 2 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | C8.67 | 1998/09/24 | 08:09 | 08:14 | 08:19 | |
| 2 | C2.04 | 1998/09/23 | 22:20 | 22:26 | 22:30 |
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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 | 110 +30.7 |
| Ultimi 30 giorni | 95.8 -0.1 |