| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 2021/09/20 | 7 | 30 | CRO | N19E42 | |
| 2021/09/21 | 4 | 10 | BXO | N18E25 | |
| 2021/09/22 | 9 | 70 | CAI | N17E14 | |
| 2021/09/23 | 15 | 120 | CAI | N17E01 | |
| 2021/09/24 | 10 | 80 | CAO | N17W12 | |
| 2021/09/25 | 9 | 60 | CRO | N17W26 | |
| 2021/09/26 | 7 | 40 | CRO | N16W38 | |
| 2021/09/27 | 4 | 10 | BXO | N16W53 |
| B |
|---|
| 5 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | B4.2 | 2021/09/21 | 23:51 | 23:55 | 23:59 | |
| 2 | B3.7 | 2021/09/26 | 15:38 | 15:47 | 16:10 | |
| 3 | B3.4 | 2021/09/22 | 11:17 | 11:25 | 11:30 | |
| 4 | B1.9 | 2021/09/24 | 23:34 | 23:38 | 23:42 | |
| 5 | B1.8 | 2021/09/24 | 15:57 | 16:05 | 16:09 |
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| Ultimo brillamento X | 2026/04/24 | X2.5 |
| Ultimo brillamento M | 2026/05/10 | M5.7 |
| Ultima tempesta geomagnetica | 2026/05/05 | Kp5 (G1) |
| Giorni senza macchie | |
|---|---|
| Ultimi 365 giorni | 3 giorni |
| 2026 | 3 giorni (2%) |
| Ultimo giorno senza macchie | 2026/02/24 |
| Media mensile Numero di Macchie Solari | |
|---|---|
| aprile 2026 | 79.3 -6.6 |
| maggio 2026 | 110 +30.7 |
| Ultimi 30 giorni | 94.1 -4 |