| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 1997/10/10 | 3 | 10 | BXO | N32E41 | |
| 1997/10/11 | 5 | 30 | CRO | N31E27 | |
| 1997/10/12 | 6 | 40 | CRO | N31E14 | |
| 1997/10/13 | 9 | 60 | DSO | N31E01 | |
| 1997/10/14 | 12 | 90 | DAO | N31W12 | |
| 1997/10/15 | 10 | 90 | DAO | N31W23 | |
| 1997/10/16 | 9 | 70 | CAO | N30W37 | |
| 1997/10/17 | 8 | 80 | CSO | N30W50 | |
| 1997/10/18 | 9 | 70 | CSO | N31W62 | |
| 1997/10/19 | 5 | 40 | BXO | N31W75 | |
| 1997/10/20 | 2 | 30 | BXO | N27W91 |
| B |
|---|
| 1 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | B4.29 | 1997/10/17 | 14:16 | 14:24 | 14:33 |
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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 | 117.2 +25.4 |
| Ultimi 30 giorni | 117.2 +30.3 |