| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 2011/02/19 | 18 | 260 | DAI | N18W06 | |
| 2011/02/20 | 20 | 150 | DAI | N18W19 | |
| 2011/02/21 | 24 | 160 | DSI | N18W32 | |
| 2011/02/22 | 15 | 120 | DAO | N17W46 | |
| 2011/02/23 | 3 | 100 | DSO | N17W59 | |
| 2011/02/24 | 3 | 70 | CSO | N17W73 |
| C | M |
|---|---|
| 10 | 6 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | M1.97 | 2011/02/18 | 20:56 | 21:04 | 21:14 | |
| 2 | M1.54 | 2011/02/18 | 10:23 | 10:26 | 10:37 | |
| 3 | M1.44 | 2011/02/18 | 14:00 | 14:08 | 14:15 | |
| 4 | M1.22 | 2011/02/19 | 08:00 | 08:04 | 08:12 | |
| 5 | M1.1 | 2011/02/18 | 07:13 | 07:24 | 07:38 | |
| 6 | M1.02 | 2011/02/18 | 19:02 | 19:18 | 19:28 | |
| 7 | C8.01 | 2011/02/18 | 15:48 | 15:55 | 15:59 | |
| 8 | C6.09 | 2011/02/18 | 09:03 | 09:11 | 09:19 | |
| 9 | C5.53 | 2011/02/18 | 17:48 | 17:53 | 18:02 | |
| 10 | C4.32 | 2011/02/18 | 12:16 | 12:20 | 12:24 |
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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 | 119.3 -4.8 |
| Ultimi 30 giorni | 108.2 +0.2 |