| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 2012/03/04 | 4 | 40 | CRO | S17E51 | |
| 2012/03/05 | 6 | 70 | DSO | S17E37 | |
| 2012/03/06 | 14 | 250 | DAI | S17E21 | |
| 2012/03/07 | 17 | 250 | DAI | S16E09 | |
| 2012/03/08 | 16 | 300 | DKO | S17W05 | |
| 2012/03/09 | 8 | 180 | DAO | S17W19 | |
| 2012/03/10 | 12 | 110 | DSO | S17W32 | |
| 2012/03/11 | 14 | 60 | CRO | S17W46 | |
| 2012/03/12 | 3 | 30 | CAO | S15W60 | |
| 2012/03/13 | 1 | 30 | HSX | S15W72 |
| C | M |
|---|---|
| 3 | 1 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | M1.05 | 2012/03/08 | 02:49 | 02:53 | 02:56 | |
| 2 | C7.33 | 2012/03/09 | 21:45 | 21:50 | 21:56 | |
| 3 | C2.78 | 2012/03/10 | 06:53 | 07:02 | 07:06 | |
| 4 | C2.3 | 2012/03/11 | 04:26 | 04:28 | 04:32 |
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| Ultimo brillamento X | 2025/12/08 | X1.1 |
| Ultimo brillamento M | 2025/12/31 | M7.11 |
| Ultima tempesta geomagnetica | 2026/01/02 | Kp5 (G1) |
| Giorni senza macchie | |
|---|---|
| Ultimo giorno senza macchie | 2022/06/08 |
| Media mensile Numero di Macchie Solari | |
|---|---|
| dicembre 2025 | 124 +32.2 |
| gennaio 2026 | 111.2 -12.8 |
| Ultimi 30 giorni | 106.5 -1.5 |