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Geomagnetic storms in December 2009

Geomagnetic storms in London in December 2009

Changes in the maximum daily geomagnetic index Kp in December 2009 for mid latitudes

Location — London (geographic coordinates — 51.51 N -0.13 W | time zone UTC+00)

Changes in the maximum daily geomagnetic index Kp in December 2009
This chart in PNG format — high resolution API data: JSON or TXT

List of magnetic storms in December 2009

Location — London (geographic coordinates — 51.51 N -0.13 W | time zone UTC+00)

There were no days with an increased level of geomagnetic disturbance in December 2009

Maximum of solar activity in December 2009

Solar radio flux (10.7 cm) = 87

Mean planetary A index = 4

Mean planetary Kp index = 3