| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 2012/04/17 | 5 | 20 | CRO | N15E40 | |
| 2012/04/18 | 6 | 50 | DSO | N16E26 | |
| 2012/04/19 | 13 | 170 | DSI | N16E12 | |
| 2012/04/20 | 14 | 180 | DSI | N16W01 | |
| 2012/04/21 | 19 | 450 | DKC | N15W15 | |
| 2012/04/22 | 21 | 490 | DKC | N16W27 | |
| 2012/04/23 | 13 | 300 | DKO | N16W40 | |
| 2012/04/24 | 14 | 320 | DKO | N16W54 | |
| 2012/04/25 | 10 | 180 | DSO | N16W65 | |
| 2012/04/26 | 6 | 150 | CSO | N15W81 | |
| 2012/04/27 | 1 | 60 | CSO | N15W93 |
| C |
|---|
| 7 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | C5.33 | 2012/04/25 | 12:07 | 12:15 | 12:19 | |
| 2 | C3.51 | 2012/04/21 | 01:27 | 01:32 | 01:34 | |
| 3 | C2.49 | 2012/04/22 | 21:05 | 21:10 | 21:17 | |
| 4 | C2.02 | 2012/04/19 | 00:00 | 00:11 | 00:18 | |
| 5 | C1.93 | 2012/04/25 | 22:36 | 22:42 | 22:50 | |
| 6 | C1.35 | 2012/04/25 | 08:45 | 08:57 | 09:00 | |
| 7 | C1.3 | 2012/04/25 | 06:48 | 06:53 | 06:56 |
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| Ultimo brillamento X | 2026/01/18 | X1.9 |
| Ultimo brillamento M | 2026/01/21 | M1.1 |
| Ultima tempesta geomagnetica | 2026/01/20 | Kp8 (G4) |
| Giorni senza macchie | |
|---|---|
| Ultimo giorno senza macchie | 2022/06/08 |
| Media mensile Numero di Macchie Solari | |
|---|---|
| dicembre 2025 | 124 +32.2 |
| gennaio 2026 | 107.3 -16.8 |
| Ultimi 30 giorni | 111.9 +4 |