| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 2021/03/21 | 2 | 10 | BXO | N21E58 | |
| 2021/03/22 | 2 | 40 | BXO | N21E44 | |
| 2021/03/23 | 5 | 50 | CAO | N20E33 | |
| 2021/03/24 | 5 | 10 | BXO | N20E21 | |
| 2021/03/25 | 3 | 20 | BXO | N20E07 | |
| 2021/03/26 | 3 | 10 | BXO | N20W07 | |
| 2021/03/27 | 2 | 10 | BXO | N20W21 |
| B |
|---|
| 16 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | B7.4 | 2021/03/30 | 19:46 | 20:05 | 20:18 | |
| 2 | B2.1 | 2021/03/20 | 15:31 | 15:53 | 16:09 | |
| 3 | B2.1 | 2021/03/20 | 15:31 | 15:50 | 16:10 | |
| 4 | B1.8 | 2021/03/22 | 20:33 | 20:40 | 20:44 | |
| 5 | B1.5 | 2021/03/20 | 23:22 | 23:39 | 23:51 | |
| 6 | B1.5 | 2021/03/22 | 18:25 | 18:40 | 18:52 | |
| 7 | B1.5 | 2021/03/24 | 04:01 | 04:07 | 04:13 | |
| 8 | B1.2 | 2021/03/21 | 16:09 | 16:18 | 16:27 | |
| 9 | B1.2 | 2021/03/21 | 21:37 | 21:46 | 21:55 | |
| 10 | B1.2 | 2021/03/23 | 16:38 | 16:42 | 16:48 |
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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 | 90.4 +11.1 |
| Ultimi 30 giorni | 99.3 +8.3 |