| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 2012/04/18 | 7 | 30 | CAO | S23W07 | |
| 2012/04/19 | 7 | 30 | CAO | S24W18 | |
| 2012/04/20 | 8 | 50 | DSO | S24W31 | |
| 2012/04/21 | 14 | 410 | DHO | S25W46 | |
| 2012/04/22 | 9 | 400 | DHO | S24W59 | |
| 2012/04/23 | 4 | 400 | DHO | S24W72 | |
| 2012/04/24 | 4 | 300 | DHO | S25W85 | |
| 2012/04/25 | 4 | 300 | DHO | S25W95 |
| C |
|---|
| 4 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | C1.65 | 2012/04/20 | 03:15 | 03:22 | 03:28 | |
| 2 | C1.58 | 2012/04/24 | 11:39 | 11:51 | 12:02 | |
| 3 | C1.53 | 2012/04/21 | 11:00 | 11:14 | 11:24 | |
| 4 | C1.26 | 2012/04/18 | 09:38 | 09:43 | 09:51 |
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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 | 106.7 -17.3 |
| Ultimi 30 giorni | 101.8 -7.7 |