| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 1997/10/11 | 7 | 10 | BXO | N23W24 | |
| 1997/10/12 | 5 | 10 | BXO | N21W37 | |
| 1997/10/13 | 8 | 20 | BXO | N20W50 | |
| 1997/10/14 | 4 | 20 | BXO | N20W63 | |
| 1997/10/15 | 1 | 0 | AXX | N21W74 |
| B | C |
|---|---|
| 1 | 1 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | C1.41 | 1997/10/13 | 23:11 | 23:18 | 23:23 | |
| 2 | B2.39 | 1997/10/13 | 00:40 | 00:45 | 00:49 |
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| Ultimo brillamento X | 2026/04/24 | X2.5 |
| Ultimo brillamento M | 2026/05/29 | M1.1 |
| Ultima tempesta geomagnetica | 2026/05/16 | Kp6- (G2) |
| Giorni senza macchie | |
|---|---|
| Ultimi 365 giorni | 3 giorni |
| 2026 | 3 giorni (2%) |
| Ultimo giorno senza macchie | 2026/02/24 |
| Media mensile Numero di Macchie Solari | |
|---|---|
| aprile 2026 | 79.3 -6.6 |
| maggio 2026 | 97.9 +18.6 |
| Ultimi 30 giorni | 97.9 +5 |