| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 2021/09/03 | 4 | 30 | CRO | N23E22 | |
| 2021/09/04 | 7 | 50 | DAO | N25E09 | |
| 2021/09/05 | 8 | 90 | DAO | N24W03 | |
| 2021/09/06 | 10 | 180 | DAO | N24W18 | |
| 2021/09/07 | 10 | 220 | CSO | N24W33 | |
| 2021/09/08 | 1 | 110 | HSX | N23W46 | |
| 2021/09/09 | 4 | 100 | HSX | N24W59 | |
| 2021/09/10 | 2 | 80 | CSO | N24W76 | |
| 2021/09/11 | 1 | 50 | HSX | N22W90 | |
| 2021/09/12 | 1 | 50 | HSX | N24W0* |
| C |
|---|
| 1 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | C2.4 | 2021/09/08 | 23:42 | 00:10 | 00:33 |
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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 | 112.1 -11.9 |
| Ultimi 30 giorni | 104.6 -5 |