| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 2013/04/19 | 4 | 20 | DRO | N13E07 | |
| 2013/04/20 | 15 | 180 | EAI | N13W05 | |
| 2013/04/21 | 36 | 260 | EKC | N12W22 | |
| 2013/04/22 | 42 | 550 | EKC | N13W35 | |
| 2013/04/23 | 34 | 580 | EKI | N13W49 | |
| 2013/04/24 | 30 | 840 | FKC | N13W63 | |
| 2013/04/25 | 17 | 1000 | FKC | N13W85 | |
| 2013/04/26 | 20 | 600 | EKC | N13W93 | |
| 2013/04/27 | 20 | 600 | EKC | N13W0* |
| B | C | M |
|---|---|---|
| 3 | 62 | 3 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | M1.43 | 2013/04/22 | 10:22 | 10:29 | 10:31 | |
| 2 | M1.18 | 2013/04/23 | 14:05 | 14:14 | 14:16 | |
| 3 | M1.01 | 2013/04/26 | 06:20 | 06:27 | 06:31 | |
| 4 | C8.31 | 2013/04/25 | 19:34 | 19:40 | 19:43 | |
| 5 | C8.23 | 2013/04/25 | 21:55 | 22:02 | 22:06 | |
| 6 | C8.21 | 2013/04/26 | 22:09 | 22:25 | 22:34 | |
| 7 | C8.03 | 2013/04/25 | 17:24 | 17:28 | 17:32 | |
| 8 | C7.54 | 2013/04/27 | 02:45 | 02:52 | 03:00 | |
| 9 | C6.47 | 2013/04/21 | 18:35 | 18:39 | 18:42 | |
| 10 | C6.39 | 2013/04/26 | 15:34 | 15:43 | 16:14 |
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| Ultimo brillamento X | 2026/01/18 | X1.9 |
| Ultimo brillamento M | 2026/01/21 | M3.4 |
| 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 |