| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 2021/09/02 | 7 | 70 | CAO | S16E28 | |
| 2021/09/03 | 9 | 160 | DSO | S16E15 | |
| 2021/09/04 | 5 | 90 | CSO | S16E02 | |
| 2021/09/05 | 4 | 40 | CSO | S16W11 | |
| 2021/09/06 | 4 | 100 | CSO | S16W23 | |
| 2021/09/07 | 2 | 80 | HSX | S16W41 | |
| 2021/09/08 | 1 | 80 | HSX | S17W53 | |
| 2021/09/09 | 2 | 90 | HSX | S16W66 | |
| 2021/09/10 | 1 | 70 | HSX | S15W80 | |
| 2021/09/11 | 1 | 30 | HSX | S17W92 | |
| 2021/09/12 | 1 | 30 | HSX | S17W0* |
| B |
|---|
| 12 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | B6.3 | 2021/09/03 | 15:59 | 16:06 | 16:27 | |
| 2 | B6.2 | 2021/09/07 | 06:24 | 06:28 | 06:33 | |
| 3 | B4.7 | 2021/09/03 | 06:30 | 06:39 | 06:45 | |
| 4 | B4.7 | 2021/09/06 | 12:59 | 13:04 | 13:08 | |
| 5 | B4.7 | 2021/09/06 | 16:57 | 17:01 | 17:05 | |
| 6 | B4.0 | 2021/09/02 | 03:49 | 03:52 | 03:58 | |
| 7 | B3.9 | 2021/09/02 | 00:41 | 00:46 | 00:50 | |
| 8 | B3.8 | 2021/09/03 | 00:39 | 00:47 | 00:58 | |
| 9 | B3.6 | 2021/09/02 | 23:37 | 23:42 | 23:47 | |
| 10 | B3.1 | 2021/09/02 | 23:25 | 23:33 | 23:37 |
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| Ultimo brillamento X | 2026/04/24 | X2.5 |
| Ultimo brillamento M | 2026/05/17 | M1.4 |
| 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 | 92.6 +13.3 |
| Ultimi 30 giorni | 95.5 +3.7 |