| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 2013/03/14 | 6 | 20 | CRO | S20W29 | |
| 2013/03/15 | 6 | 80 | CSO | S19W42 | |
| 2013/03/16 | 8 | 150 | DAO | S19W57 | |
| 2013/03/17 | 16 | 200 | EAO | S19W72 | |
| 2013/03/18 | 16 | 200 | EAO | S19W86 | |
| 2013/03/19 | 16 | 200 | EAO | S19W0* |
| B | C |
|---|---|
| 1 | 19 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | C7.86 | 2013/03/20 | 00:39 | 01:02 | 01:25 | |
| 2 | C6.17 | 2013/03/19 | 00:51 | 01:17 | 01:36 | |
| 3 | C4.03 | 2013/03/16 | 04:52 | 05:39 | 06:25 | |
| 4 | C4.03 | 2013/03/18 | 03:15 | 03:21 | 03:25 | |
| 5 | C3.75 | 2013/03/16 | 04:20 | 04:28 | 04:32 | |
| 6 | C3.1 | 2013/03/18 | 06:27 | 06:32 | 06:41 | |
| 7 | C2.87 | 2013/03/16 | 07:14 | 07:18 | 07:23 | |
| 8 | C2.46 | 2013/03/19 | 16:09 | 16:18 | 16:27 | |
| 9 | C2.23 | 2013/03/18 | 06:57 | 07:00 | 07:03 | |
| 10 | C2.14 | 2013/03/16 | 08:30 | 08:36 | 08:39 |
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| Ultimo brillamento X | 2026/04/24 | X2.5 |
| Ultimo brillamento M | 2026/05/10 | M5.7 |
| Ultima tempesta geomagnetica | 2026/05/05 | Kp5 (G1) |
| 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 | 96.6 +17.3 |
| Ultimi 30 giorni | 96.1 +3.6 |