| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 2021/07/16 | 1 | 20 | AXX | S43E59 | |
| 2021/07/17 | 1 | 10 | AXX | S43E49 | |
| 2021/07/18 | 1 | 10 | AXX | S41E35 | |
| 2021/07/19 | 1 | 10 | AXX | S43E22 |
| B |
|---|
| 4 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | B4.1 | 2021/07/16 | 12:54 | 12:59 | 13:05 | |
| 2 | B1.6 | 2021/07/16 | 16:23 | 16:26 | 16:31 | |
| 3 | B1.5 | 2021/07/16 | 20:40 | 20:45 | 20:49 | |
| 4 | B1.2 | 2021/07/16 | 18:20 | 18:27 | 18:33 |
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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 | 108.2 +0.2 |