Maximum Kp index on December 20, 2004
Kp = 2
Maximum Kp index on December 20, 2004
The Earth's magnetosphere was quiet
Kp = 2
Geomagnetic storms in Helsinki on December 20, 2004
Time zone — UTC+02 (Helsinki | 60.18 N 24.93 E)
Geomagnetic storms in Helsinki in December 2004
Time zone — UTC+02 (Helsinki | 60.18 N 24.93 E)
Geomagnetic activity indices on December 20, 2004
| Geomagnetic index Ap | 4 |
|---|---|
| Solar radio flux F10.7 | 94 |