| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 1998/04/10 | 9 | 40 | CRO | S21E06 | |
| 1998/04/11 | 10 | 180 | DSI | S22W07 | |
| 1998/04/12 | 8 | 120 | DSO | S22W21 | |
| 1998/04/13 | 6 | 100 | CSO | S21W34 | |
| 1998/04/14 | 7 | 90 | CSO | S22W46 | |
| 1998/04/15 | 2 | 40 | CSO | S23W61 | |
| 1998/04/16 | 3 | 40 | CSO | S21W71 |
| C |
|---|
| 2 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | C1.74 | 1998/04/09 | 19:35 | 19:42 | 19:48 | |
| 2 | C1.61 | 1998/04/15 | 21:40 | 21:49 | 22:10 |
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| Ultimo brillamento X | 2025/12/08 | X1.1 |
| Ultimo brillamento M | 2025/12/12 | M1.1 |
| Ultima tempesta geomagnetica | 2025/12/12 | Kp5 (G1) |
| Giorni senza macchie | |
|---|---|
| Ultimo giorno senza macchie | 2022/06/08 |
| Media mensile Numero di Macchie Solari | |
|---|---|
| novembre 2025 | 91.8 -22.8 |
| dicembre 2025 | 125.7 +33.9 |
| Ultimi 30 giorni | 109.3 +18.1 |