| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 1997/09/02 | 1 | 0 | AXX | N22E70 | |
| 1997/09/03 | 1 | 0 | AXX | N21E58 | |
| 1997/09/05 | 1 | 0 | AXX | N22E36 | |
| 1997/09/06 | 11 | 30 | BXO | N21E22 | |
| 1997/09/07 | 10 | 50 | CSO | N21E09 | |
| 1997/09/08 | 10 | 40 | DSO | N21W04 | |
| 1997/09/09 | 7 | 20 | CRO | N21W17 | |
| 1997/09/10 | 4 | 10 | BXO | N21W31 |
| B | C |
|---|---|
| 1 | 1 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | C1.09 | 1997/09/05 | 19:24 | 19:32 | 19:36 | |
| 2 | B6.14 | 1997/09/06 | 11:15 | 11:19 | 11:23 |
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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 | 111.2 -12.8 |
| Ultimi 30 giorni | 105.1 -4.2 |