Besides green beers, St. Patrick’s Day revelers — and many others in the northern hemisphere (and some even in the south!) — were treated to green skies last night as a “pair of solar belches…cast a cloud of magnetized gas into space, triggering a strong geomagnetic storm.” Instagrammers were busy uploading pics — here are 20 of our favorite.

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A photo posted by Greg Johnson (@canadogreg) on

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A photo posted by Ed Norton (@ed_norton) on

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A photo posted by Paul Zizka (@paulzizkaphoto) on

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A photo posted by Pure Michigan (@puremichigan) on

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A photo posted by Adam Nolley (@nanovivid) on

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A photo posted by WalesOnline (@walesonline) on

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A photo posted by Sergi (@sergi.galiano) on

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A photo posted by Hugo Sanchez (@yeghugos) on

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A photo posted by Eyewitness News (@wdiowirt) on

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A photo posted by @visitscotland on

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A photo posted by swedennewyork (@swedennewyork) on

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A photo posted by Sarah Nicole (@indigo_makes) on

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A photo posted by Kent Miller (@kent_miller) on