| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 2001/12/14 | 3 | 10 | CSO | S13W02 | |
| 2001/12/15 | 9 | 60 | DAO | S13W15 | |
| 2001/12/16 | 16 | 120 | DAO | S13W30 | |
| 2001/12/17 | 15 | 390 | DAO | S13W43 | |
| 2001/12/18 | 17 | 440 | DKO | S13W57 | |
| 2001/12/19 | 13 | 440 | EAO | S14W69 | |
| 2001/12/20 | 7 | 270 | EAO | S14W82 |
| C | M |
|---|---|
| 3 | 1 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | M1.92 | 2001/12/19 | 17:01 | 17:06 | 17:09 | |
| 2 | C5.1 | 2001/12/19 | 10:35 | 10:40 | 10:42 | |
| 3 | C2.92 | 2001/12/19 | 17:26 | 17:30 | 17:34 | |
| 4 | C2.39 | 2001/12/19 | 13:54 | 13:57 | 13:59 |
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| Ultimo brillamento X | 2026/04/24 | X2.5 |
| Ultimo brillamento M | 2026/05/17 | M1.4 |
| Ultima tempesta geomagnetica | 2026/05/16 | Kp6- (G2) |
| 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 | 90.4 +11.1 |
| Ultimi 30 giorni | 99.3 +8.3 |