List of magnetic storms in December 2009
Location — Helsinki (geographic coordinates — 60.18 N 24.93 E | time zone UTC+02 )
There were no days with an increased level of geomagnetic disturbance in December 2009
Geomagnetic storms in Helsinki in December 2009
Geomagnetic storms in Helsinki in December 2009
Changes in the maximum daily geomagnetic index Kp in December 2009 for mid latitudes
Location — Helsinki (geographic coordinates — 60.18 N 24.93 E | time zone UTC+02 )
This chart in PNG format — high resolution
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Maximum of solar activity in December 2009
Solar radio flux (10.7 cm) = 87
Mean planetary A index = 4
Mean planetary Kp index = 3