| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 2013/02/19 | 6 | 30 | DRO | N10W26 | |
| 2013/02/20 | 14 | 130 | DAI | N10W40 | |
| 2013/02/21 | 13 | 360 | DKC | N11W54 | |
| 2013/02/22 | 11 | 470 | DKC | N11W67 | |
| 2013/02/23 | 4 | 380 | DKO | N10W80 | |
| 2013/02/24 | 4 | 350 | DKO | N08W93 |
| B | C | M |
|---|---|---|
| 5 | 19 | 1 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | M1.2 | 2013/02/20 | 11:08 | 11:11 | 11:13 | |
| 2 | C6.85 | 2013/02/23 | 15:56 | 16:09 | 16:20 | |
| 3 | C4.26 | 2013/02/20 | 14:52 | 14:56 | 14:58 | |
| 4 | C4.15 | 2013/02/23 | 18:45 | 18:56 | 19:09 | |
| 5 | C3.67 | 2013/02/21 | 04:56 | 05:05 | 05:17 | |
| 6 | C3.11 | 2013/02/19 | 10:09 | 10:51 | 11:26 | |
| 7 | C2.91 | 2013/02/21 | 04:01 | 04:09 | 04:16 | |
| 8 | C2.8 | 2013/02/21 | 03:07 | 03:10 | 03:12 | |
| 9 | C2.44 | 2013/02/20 | 21:50 | 21:58 | 22:12 | |
| 10 | C1.47 | 2013/02/22 | 12:14 | 12:22 | 12:33 |
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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 |