| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 2012/02/20 | 10 | 60 | DAI | N15E02 | |
| 2012/02/21 | 12 | 240 | DAI | N16W11 | |
| 2012/02/22 | 15 | 330 | DSI | N15W24 | |
| 2012/02/23 | 10 | 240 | DSI | N15W38 | |
| 2012/02/24 | 9 | 130 | CAO | N15W52 | |
| 2012/02/25 | 4 | 150 | CAO | N15W65 | |
| 2012/02/26 | 3 | 180 | CAO | N15W78 | |
| 2012/02/27 | 3 | 150 | CAO | N15W90 |
| B | C |
|---|---|
| 7 | 6 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | C1.7 | 2012/02/20 | 11:20 | 11:27 | 11:32 | |
| 2 | C1.69 | 2012/02/20 | 03:39 | 03:46 | 03:52 | |
| 3 | C1.48 | 2012/02/19 | 08:41 | 08:51 | 09:00 | |
| 4 | C1.47 | 2012/02/21 | 11:42 | 11:48 | 11:55 | |
| 5 | C1.33 | 2012/02/20 | 23:39 | 23:53 | 00:03 | |
| 6 | C1.01 | 2012/02/20 | 01:41 | 01:49 | 01:58 | |
| 7 | B9.97 | 2012/02/26 | 23:29 | 23:33 | 23:35 | |
| 8 | B7.04 | 2012/02/21 | 19:32 | 19:37 | 19:41 | |
| 9 | B6.36 | 2012/02/21 | 20:37 | 20:41 | 20:45 | |
| 10 | B5.89 | 2012/02/26 | 02:11 | 02:15 | 02:18 |
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| Ultimo brillamento X | 2025/12/08 | X1.1 |
| Ultimo brillamento M | 2025/12/31 | M7.11 |
| Ultima tempesta geomagnetica | 2026/01/02 | Kp5 (G1) |
| Giorni senza macchie | |
|---|---|
| Ultimo giorno senza macchie | 2022/06/08 |
| Media mensile Numero di Macchie Solari | |
|---|---|
| dicembre 2025 | 124 +32.2 |
| gennaio 2026 | 112.1 -11.9 |
| Ultimi 30 giorni | 105.6 -3.7 |