| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 2021/09/04 | 2 | 40 | BXO | S18E63 | |
| 2021/09/05 | 8 | 80 | DAI | S18E50 | |
| 2021/09/06 | 15 | 220 | DAI | S17E35 | |
| 2021/09/07 | 23 | 430 | DKC | S17E21 | |
| 2021/09/08 | 15 | 500 | DKC | S18E07 | |
| 2021/09/09 | 29 | 500 | DKC | S18W06 | |
| 2021/09/10 | 17 | 460 | DKC | S18W18 | |
| 2021/09/11 | 17 | 400 | DKC | S18W32 | |
| 2021/09/12 | 10 | 180 | DAI | S19W43 | |
| 2021/09/13 | 7 | 100 | DAO | S19W60 | |
| 2021/09/14 | 3 | 60 | HSX | S18W71 | |
| 2021/09/15 | 1 | 30 | HSX | S18W85 |
| B | C |
|---|---|
| 20 | 4 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | C8.4 | 2021/09/08 | 17:11 | 17:30 | 17:49 | |
| 2 | C3.5 | 2021/09/09 | 08:09 | 08:31 | 08:43 | |
| 3 | C1.2 | 2021/09/08 | 10:20 | 10:26 | 10:31 | |
| 4 | C1.1 | 2021/09/07 | 09:29 | 09:34 | 09:39 | |
| 5 | B8.2 | 2021/09/09 | 17:10 | 17:16 | 17:20 | |
| 6 | B7.7 | 2021/09/08 | 15:00 | 15:11 | 15:29 | |
| 7 | B7.5 | 2021/09/07 | 01:44 | 01:56 | 02:06 | |
| 8 | B7.2 | 2021/09/09 | 16:58 | 17:08 | 17:10 | |
| 9 | B6.9 | 2021/09/07 | 09:15 | 09:26 | 09:29 | |
| 10 | B5.7 | 2021/09/07 | 03:29 | 03:39 | 03:46 |
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| Ultimo brillamento X | 2025/12/08 | X1.1 |
| Ultimo brillamento M | 2025/12/29 | M1.0 |
| Ultima tempesta geomagnetica | 2025/12/22 | Kp5 (G1) |
| Giorni senza macchie | |
|---|---|
| Ultimo giorno senza macchie | 2022/06/08 |
| Media mensile Numero di Macchie Solari | |
|---|---|
| novembre 2025 | 91.8 -22.8 |
| dicembre 2025 | 116.5 +24.7 |
| Ultimi 30 giorni | 116.2 +30.6 |