| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 1997/08/09 | 4 | 60 | CRO | N21E62 | |
| 1997/08/10 | 3 | 10 | BXO | N26E49 | |
| 1997/08/11 | 4 | 10 | BXO | N26E37 | |
| 1997/08/12 | 6 | 30 | CSO | N25E20 | |
| 1997/08/13 | 8 | 30 | CAO | N26E07 | |
| 1997/08/14 | 6 | 30 | CAO | N26W07 | |
| 1997/08/15 | 2 | 10 | HRX | N26W22 | |
| 1997/08/16 | 2 | 10 | BXO | N26W36 |
| B | C |
|---|---|
| 2 | 1 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | C1.35 | 1997/08/14 | 01:12 | 01:32 | 01:41 | |
| 2 | B4.71 | 1997/08/13 | 18:31 | 18:39 | 18:51 | |
| 3 | B4.71 | 1997/08/13 | 18:31 | 18:39 | 18:51 |
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| Ultimo brillamento X | 2026/04/24 | X2.5 |
| Ultimo brillamento M | 2026/05/07 | M2.6 |
| Ultima tempesta geomagnetica | 2026/05/05 | Kp5 (G1) |
| 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 | 112.3 +33 |
| Ultimi 30 giorni | 92.5 -8.1 |