| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 2012/04/01 | 5 | 20 | CRO | N15E38 | |
| 2012/04/02 | 4 | 20 | BXO | N17E22 | |
| 2012/04/03 | 7 | 40 | DSO | N16E07 | |
| 2012/04/04 | 13 | 60 | DSI | N16W04 | |
| 2012/04/05 | 11 | 80 | DSI | N17W19 | |
| 2012/04/06 | 14 | 130 | ESI | N15W31 | |
| 2012/04/07 | 15 | 180 | ESI | N16W45 | |
| 2012/04/08 | 14 | 100 | CSI | N15W59 | |
| 2012/04/09 | 1 | 120 | HSX | N15W75 | |
| 2012/04/10 | 1 | 120 | HSX | N15W90 |
| B | C |
|---|---|
| 6 | 8 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | C4.44 | 2012/04/05 | 16:16 | 16:24 | 16:32 | |
| 2 | C3.77 | 2012/04/09 | 01:11 | 01:22 | 01:31 | |
| 3 | C2.25 | 2012/04/05 | 20:49 | 21:10 | 21:57 | |
| 4 | C1.8 | 2012/04/04 | 16:17 | 16:27 | 16:51 | |
| 5 | C1.56 | 2012/04/06 | 23:50 | 00:00 | 00:05 | |
| 6 | C1.39 | 2012/04/05 | 13:18 | 13:27 | 13:41 | |
| 7 | C1.05 | 2012/04/07 | 09:27 | 09:36 | 09:41 | |
| 8 | C1.01 | 2012/04/08 | 11:26 | 11:29 | 11:32 | |
| 9 | B9.93 | 2012/04/04 | 05:30 | 05:57 | 06:31 | |
| 10 | B9.81 | 2012/04/05 | 10:11 | 10:30 | 10:49 |
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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 | 88.6 +9.3 |
| Ultimi 30 giorni | 99.4 +8.5 |