| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 2011/09/12 | 2 | 40 | BXO | N08E66 | |
| 2011/09/13 | 3 | 10 | BXO | N08E52 | |
| 2011/09/14 | 5 | 50 | CAO | N09E38 | |
| 2011/09/15 | 2 | 30 | CRO | N08E24 | |
| 2011/09/16 | 1 | 20 | HRX | N10E08 | |
| 2011/09/17 | 1 | 20 | HRX | N09W04 | |
| 2011/09/18 | 1 | 20 | HRX | N10W17 |
| C |
|---|
| 2 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | C2.86 | 2011/09/12 | 03:24 | 03:29 | 03:33 | |
| 2 | C2.42 | 2011/09/12 | 02:22 | 02:26 | 02:30 |
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| Ultimo brillamento X | 2026/04/24 | X2.5 |
| Ultimo brillamento M | 2026/05/22 | M2.3 |
| 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 | 87.6 +8.3 |
| Ultimi 30 giorni | 99.3 +9.1 |