| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 2021/09/26 | 4 | 10 | BXO | S13E06 | |
| 2021/09/27 | 4 | 20 | CRO | S17W12 | |
| 2021/09/28 | 10 | 30 | CRO | S18W27 | |
| 2021/09/29 | 14 | 130 | DAI | S18W41 | |
| 2021/09/30 | 13 | 200 | DAO | S18W52 | |
| 2021/10/01 | 4 | 200 | DAO | S18W66 | |
| 2021/10/02 | 2 | 150 | DAO | S20W78 | |
| 2021/10/03 | 1 | 30 | HSX | S21W93 | |
| 2021/10/04 | 1 | 30 | HSX | S21W0* |
| B | C |
|---|---|
| 28 | 7 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | C2.8 | 2021/09/29 | 21:46 | 21:56 | 22:02 | |
| 2 | C1.9 | 2021/10/03 | 07:07 | 07:22 | 07:46 | |
| 3 | C1.7 | 2021/09/29 | 22:34 | 22:45 | 22:50 | |
| 4 | C1.7 | 2021/10/02 | 22:23 | 22:40 | 22:57 | |
| 5 | C1.4 | 2021/09/29 | 22:10 | 22:13 | 22:17 | |
| 6 | C1.2 | 2021/09/30 | 12:43 | 12:49 | 12:55 | |
| 7 | C1.0 | 2021/09/29 | 14:15 | 14:21 | 14:25 | |
| 8 | B9.5 | 2021/09/30 | 05:42 | 05:49 | 05:55 | |
| 9 | B9.4 | 2021/10/04 | 02:52 | 03:07 | 03:18 | |
| 10 | B8.6 | 2021/09/29 | 11:11 | 11:19 | 11:25 |
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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 |