| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 2017/04/21 | 1 | 10 | HRX | N13E60 | |
| 2017/04/22 | 1 | 10 | HRX | N13E45 | |
| 2017/04/24 | 3 | 10 | BXO | N14E17 | |
| 2017/04/25 | 3 | 10 | BXO | N13E01 | |
| 2017/04/26 | 1 | 10 | AXX | N13W13 | |
| 2017/04/27 | 3 | 10 | AXX | N14W26 |
| B | C |
|---|---|
| 4 | 1 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | C1.38 | 2017/05/01 | 03:55 | 04:01 | 04:05 | |
| 2 | B4.4 | 2017/04/26 | 15:28 | 15:38 | 15:50 | |
| 3 | B3.77 | 2017/05/01 | 12:58 | 13:03 | 13:09 | |
| 4 | B3.68 | 2017/04/26 | 12:24 | 12:30 | 12:46 | |
| 5 | B1.6 | 2017/05/01 | 09:05 | 09:11 | 09:15 |
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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 | 119.3 -4.8 |
| Ultimi 30 giorni | 108.9 +1.7 |