| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 2021/07/20 | 3 | 20 | CRO | S29E74 | |
| 2021/07/21 | 3 | 20 | CRO | S27E61 | |
| 2021/07/22 | 1 | 40 | HRX | S28E47 | |
| 2021/07/23 | 1 | 20 | HRX | S28E28 | |
| 2021/07/24 | 1 | 10 | HRX | S27E24 | |
| 2021/07/25 | 1 | 0 | AXX | S27E13 | |
| 2021/07/26 | 1 | 10 | AXX | S28W00 | |
| 2021/07/27 | 1 | 0 | AXX | S28W14 | |
| 2021/07/28 | 1 | 0 | AXX | S28W28 |
| B |
|---|
| 2 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | B5.9 | 2021/07/21 | 10:53 | 11:00 | 11:07 | |
| 2 | B3.4 | 2021/07/21 | 02:00 | 02:09 | 02:15 |
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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 | 110 -14 |
| Ultimi 30 giorni | 104.3 -5.3 |