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G2 geomagnetic storm, northern Bz, coronal hole

Vivid auroral displays have filled the skies at many high latitude locations during the past 24 hours and even from middle latitude locations we have heard reports of visible aurora. This was due to an unforeseen powerful coronal hole solar wind stream which sparked a moderate G2 geomagnetic storm. Keep on reading for a selection of images made during the past 24 hours.

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