| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 2021/04/12 | 6 | 10 | BXO | S21E09 | |
| 2021/04/13 | 9 | 30 | CRO | S22W04 | |
| 2021/04/14 | 12 | 90 | DAI | S22W18 | |
| 2021/04/15 | 12 | 50 | DRO | S22W31 | |
| 2021/04/16 | 8 | 20 | BXO | S22W45 | |
| 2021/04/17 | 4 | 10 | BXO | S22W59 |
| B | C |
|---|---|
| 11 | 1 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | C1.9 | 2021/04/20 | 11:51 | 12:15 | 12:38 | |
| 2 | B8.5 | 2021/04/12 | 19:56 | 20:03 | 20:15 | |
| 3 | B6.0 | 2021/04/13 | 01:06 | 01:18 | 01:22 | |
| 4 | B5.7 | 2021/04/13 | 01:39 | 01:52 | 01:58 | |
| 5 | B4.1 | 2021/04/18 | 23:49 | 00:00 | 00:04 | |
| 6 | B3.4 | 2021/04/16 | 17:55 | 18:10 | 18:15 | |
| 7 | B2.8 | 2021/04/13 | 12:38 | 12:47 | 12:51 | |
| 8 | B2.6 | 2021/04/12 | 19:43 | 19:53 | 19:56 | |
| 9 | B2.1 | 2021/04/12 | 22:38 | 22:49 | 22:56 | |
| 10 | B1.9 | 2021/04/12 | 22:56 | 23:00 | 23:04 |
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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 | 122 -2 |
| Ultimi 30 giorni | 111.1 +8.3 |