| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 2012/12/16 | 1 | 90 | HSX | S13E69 | |
| 2012/12/17 | 1 | 90 | HSX | S12E56 | |
| 2012/12/18 | 1 | 70 | HSX | S13E42 | |
| 2012/12/19 | 5 | 80 | HSX | S13E28 | |
| 2012/12/20 | 2 | 60 | HSX | S13E14 | |
| 2012/12/21 | 2 | 60 | HSX | S13W00 | |
| 2012/12/22 | 2 | 60 | HSX | S13W12 | |
| 2012/12/23 | 7 | 60 | CSO | S12W25 | |
| 2012/12/24 | 7 | 50 | CAO | S13W33 | |
| 2012/12/25 | 3 | 20 | CAO | S13W47 |
| B | C |
|---|---|
| 1 | 2 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | C1.36 | 2012/12/18 | 19:59 | 20:03 | 20:07 | |
| 2 | C1.05 | 2012/12/17 | 07:31 | 07:37 | 07:43 | |
| 3 | B6.14 | 2012/12/20 | 16:21 | 16:34 | 16:40 |
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| Ultimo brillamento X | 2026/04/24 | X2.5 |
| Ultimo brillamento M | 2026/05/29 | M1.1 |
| 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 |
| Ultimi 30 giorni | 97.5 +5 |