Spectacular photos of the Northern Lights in Greenland

The Shelios 2013 expedition, organised by Miquel Serra-Ricart of the Canary Islands Astrophysics Institute (IAC), has been observing the Northern Lights in southern Greenland from Aug 24-29. The stunning phenomenon will also be broadcasted live online by the GLORIA European Project. Here are some of the spectacular images captured by Juan Carlos Casado.