| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 2001/09/19 | 1 | 60 | HAX | N05E73 | |
| 2001/09/20 | 2 | 50 | HAX | N04E58 | |
| 2001/09/21 | 3 | 40 | CSO | N04E43 | |
| 2001/09/22 | 3 | 50 | CAO | N03E30 | |
| 2001/09/23 | 5 | 50 | CSO | N02E17 | |
| 2001/09/24 | 6 | 50 | DSO | N01E03 | |
| 2001/09/25 | 16 | 80 | DSO | N01W11 | |
| 2001/09/26 | 16 | 60 | DAO | N01W24 | |
| 2001/09/27 | 9 | 40 | DSO | N01W37 | |
| 2001/09/28 | 2 | 0 | AXX | N00W49 |
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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 |
| Ultimi 30 giorni | 97.5 +5 |