| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 2013/02/17 | 9 | 10 | BXO | N12E31 | |
| 2013/02/18 | 13 | 50 | CSO | N12E18 | |
| 2013/02/19 | 14 | 110 | CAO | N13E04 | |
| 2013/02/20 | 3 | 60 | CSO | N12W09 | |
| 2013/02/21 | 1 | 50 | HSX | N12W23 | |
| 2013/02/22 | 1 | 60 | HSX | N13W38 | |
| 2013/02/23 | 1 | 70 | HSX | N12W52 | |
| 2013/02/24 | 1 | 40 | HSX | N13W63 | |
| 2013/02/25 | 2 | 40 | CSO | N12W76 | |
| 2013/02/26 | 1 | 0 | AXX | N13W90 |
| B | C | M |
|---|---|---|
| 6 | 4 | 1 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | M2.9 | 2013/02/17 | 15:45 | 15:50 | 15:52 | |
| 2 | C3.64 | 2013/02/17 | 15:26 | 15:40 | 15:43 | |
| 3 | C1.43 | 2013/02/17 | 19:57 | 20:00 | 20:02 | |
| 4 | C1.42 | 2013/02/17 | 00:31 | 00:36 | 00:38 | |
| 5 | C1.41 | 2013/02/18 | 02:36 | 02:41 | 02:44 | |
| 6 | B8.83 | 2013/02/17 | 21:21 | 21:25 | 21:30 | |
| 7 | B7.85 | 2013/02/17 | 04:20 | 04:31 | 04:45 | |
| 8 | B7.74 | 2013/02/17 | 20:17 | 20:20 | 20:23 | |
| 9 | B7.47 | 2013/02/16 | 23:37 | 23:41 | 23:48 | |
| 10 | B6.61 | 2013/02/16 | 22:59 | 23:02 | 23:08 |
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| Ultimo brillamento X | 2026/02/04 | X4.21 |
| Ultimo brillamento M | 2026/02/25 | M2.4 |
| Ultima tempesta geomagnetica | 2026/03/03 | Kp5 (G1) |
| Giorni senza macchie | |
|---|---|
| Ultimi 365 giorni | 3 giorni |
| 2026 | 3 giorni (5%) |
| Ultimo giorno senza macchie | 2026/02/24 |
| Media mensile Numero di Macchie Solari | |
|---|---|
| gennaio 2026 | 112.6 -11.4 |
| marzo 2026 | 75 -37.6 |
| Ultimi 30 giorni | 59.2 -65.5 |