| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 1997/12/09 | 6 | 20 | BXO | N32E00 | |
| 1997/12/10 | 8 | 50 | CRO | N32W13 | |
| 1997/12/11 | 8 | 110 | DAO | N33W25 | |
| 1997/12/12 | 15 | 100 | DSO | N32W38 | |
| 1997/12/13 | 8 | 80 | DAO | N33W49 | |
| 1997/12/14 | 6 | 90 | CAO | N31W63 | |
| 1997/12/15 | 2 | 70 | CAO | N31W81 | |
| 1997/12/16 | 1 | 10 | AXX | N32W88 |
| C |
|---|
| 1 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | C1.94 | 1997/12/12 | 07:14 | 07:19 | 07:25 |
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| Ultimo brillamento X | 2025/12/08 | X1.1 |
| Ultimo brillamento M | 2025/12/27 | M5.1 |
| 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 | 115.5 +23.7 |
| Ultimi 30 giorni | 113.8 +28 |