Crowning in the Sky

By: P-M Heden


Region: Europe

Site: Vallentuna - Sweden

Date: 2015 March 17

On the night of 2015 March 17/18 this umbrella of northern lights unfolded over backyards in Vallentuna, Sweden, only 30 kilometers north of Stockholm. A result of the strongest geomagnetic storm of the solar cycle, auroral displays were captured on that night from back and front yards at even lower latitudes. A boon for aurora hunting skywatchers, the space storm began building when a coronal mass ejection, launched by solar activity some two days earlier, struck planet Earth's magnetosphere. P-M Heden,

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