| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 1997/07/18 | 1 | 0 | AXX | N23E66 | |
| 1997/07/19 | 1 | 0 | AXX | N23E52 | |
| 1997/07/24 | 7 | 30 | DRO | N27W09 | |
| 1997/07/26 | 6 | 20 | BXO | N28W37 | |
| 1997/07/27 | 3 | 10 | AXX | N28W52 | |
| 1997/07/28 | 2 | 10 | AXX | N28W65 |
| B | C |
|---|---|
| 2 | 1 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | C1.24 | 1997/07/27 | 03:25 | 03:33 | 03:39 | |
| 2 | B3.53 | 1997/07/27 | 08:10 | 08:16 | 08:22 | |
| 3 | B3.51 | 1997/07/24 | 06:51 | 06:57 | 07:11 |
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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 |