| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 2021/07/19 | 1 | 30 | HSX | N25E76 | |
| 2021/07/20 | 5 | 90 | CSO | N19E61 | |
| 2021/07/21 | 7 | 90 | CSO | N25E47 | |
| 2021/07/22 | 4 | 100 | CRO | N26E35 | |
| 2021/07/23 | 3 | 40 | CRO | N22E21 | |
| 2021/07/24 | 3 | 30 | CRO | N25E07 | |
| 2021/07/25 | 3 | 30 | CRO | N25W05 | |
| 2021/07/26 | 4 | 10 | BXO | N24W20 | |
| 2021/07/27 | 4 | 0 | BXO | N24W34 | |
| 2021/07/28 | 4 | 0 | BXO | N24W47 |
| B |
|---|
| 11 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | B7.1 | 2021/07/28 | 07:24 | 07:38 | 07:43 | |
| 2 | B5.6 | 2021/07/20 | 20:12 | 20:24 | 20:31 | |
| 3 | B5.3 | 2021/07/27 | 21:40 | 21:50 | 21:57 | |
| 4 | B5.2 | 2021/07/27 | 19:15 | 19:23 | 19:29 | |
| 5 | B3.0 | 2021/07/28 | 13:53 | 14:00 | 14:05 | |
| 6 | B1.7 | 2021/07/28 | 21:08 | 21:14 | 21:21 | |
| 7 | B1.4 | 2021/07/28 | 05:18 | 05:26 | 05:32 | |
| 8 | B1.3 | 2021/07/28 | 23:08 | 23:12 | 23:20 | |
| 9 | B1.1 | 2021/07/28 | 05:05 | 05:11 | 05:15 | |
| 10 | B1.1 | 2021/07/28 | 05:39 | 05:44 | 05:49 |
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| Ultimo brillamento X | 2026/02/04 | X4.21 |
| Ultimo brillamento M | 2026/02/25 | M2.4 |
| Ultima tempesta geomagnetica | 2026/03/03 | Kp5 (G1) |
| Giorni senza macchie | |
|---|---|
| Ultimi 365 giorni | 3 giorni |
| 2026 | 3 giorni (4%) |
| Ultimo giorno senza macchie | 2026/02/24 |
| Media mensile Numero di Macchie Solari | |
|---|---|
| febbraio 2026 | 78.2 -34.3 |
| marzo 2026 | 75.1 -3.1 |
| Ultimi 30 giorni | 54.5 -72.1 |