| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 2021/09/05 | 6 | 60 | DSO | S20E34 | |
| 2021/09/06 | 11 | 220 | DSO | S21E20 | |
| 2021/09/07 | 10 | 240 | DSO | S21E05 | |
| 2021/09/08 | 17 | 300 | DHI | S21W07 | |
| 2021/09/09 | 18 | 260 | DHI | S21W21 | |
| 2021/09/10 | 20 | 250 | DKI | S23W33 | |
| 2021/09/11 | 21 | 260 | DKI | S21W50 | |
| 2021/09/12 | 6 | 200 | DAO | S20W62 | |
| 2021/09/13 | 5 | 100 | CAO | S19W78 | |
| 2021/09/14 | 3 | 60 | DSO | S21W88 |
| B | C |
|---|---|
| 25 | 5 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | C2.4 | 2021/09/08 | 12:46 | 12:58 | 13:04 | |
| 2 | C1.3 | 2021/09/11 | 05:11 | 05:19 | 05:28 | |
| 3 | C1.1 | 2021/09/08 | 03:03 | 03:14 | 03:19 | |
| 4 | C1.1 | 2021/09/10 | 20:48 | 21:34 | 22:13 | |
| 5 | C1.1 | 2021/09/14 | 06:40 | 06:49 | 06:53 | |
| 6 | B8.7 | 2021/09/14 | 03:37 | 03:46 | 03:52 | |
| 7 | B7.8 | 2021/09/11 | 04:42 | 04:52 | 05:03 | |
| 8 | B7.6 | 2021/09/09 | 22:30 | 22:57 | 23:33 | |
| 9 | B7.5 | 2021/09/09 | 22:30 | 22:55 | 23:33 | |
| 10 | B6.8 | 2021/09/09 | 09:58 | 10:07 | 10:12 |
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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 | 89.2 +9.9 |
| Ultimi 30 giorni | 95.5 +2.6 |