| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 2021/04/19 | 8 | 60 | BXO | N18W45 | |
| 2021/04/20 | 13 | 140 | DAI | N18W60 | |
| 2021/04/21 | 7 | 180 | DAO | N18W76 | |
| 2021/04/22 | 5 | 140 | CSO | N18W92 | |
| 2021/04/23 | 5 | 140 | CSO | N18W0* |
| B | C |
|---|---|
| 48 | 12 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | C8.6 | 2021/04/22 | 20:00 | 20:11 | 20:20 | |
| 2 | C4.3 | 2021/04/22 | 09:14 | 09:21 | 09:41 | |
| 3 | C3.7 | 2021/04/22 | 10:40 | 10:49 | 11:03 | |
| 4 | C2.4 | 2021/04/23 | 23:08 | 23:12 | 23:16 | |
| 5 | C2.3 | 2021/04/22 | 07:16 | 07:23 | 07:27 | |
| 6 | C2.3 | 2021/04/23 | 22:39 | 22:54 | 22:57 | |
| 7 | C2.3 | 2021/04/23 | 22:57 | 23:01 | 23:06 | |
| 8 | C1.7 | 2021/04/22 | 05:50 | 05:57 | 06:02 | |
| 9 | C1.6 | 2021/04/21 | 01:18 | 01:29 | 02:37 | |
| 10 | C1.4 | 2021/04/22 | 10:03 | 10:08 | 10:14 |
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| Ultimo brillamento X | 2026/03/30 | X1.5 |
| Ultimo brillamento M | 2026/04/04 | M1.0 |
| Ultima tempesta geomagnetica | 2026/04/03 | Kp7- (G3) |
| Giorni senza macchie | |
|---|---|
| Ultimi 365 giorni | 3 giorni |
| 2026 | 3 giorni (3%) |
| Ultimo giorno senza macchie | 2026/02/24 |
| Media mensile Numero di Macchie Solari | |
|---|---|
| marzo 2026 | 85.9 +7.7 |
| aprile 2026 | 128.3 +42.3 |
| Ultimi 30 giorni | 98.2 +38.5 |