Taking a photograph of the northern lights is easy. Taking a good photo is difficult and depends on if you reach the right location at the right time. During a solar activity peak in March 2012 two TWAN photographers made a starry adventure in Lapland, Northern Sweden, to capture some of the most stunning aurora displays they had ever seen in their life. Photographed here is the Swedish TWAN photographer P-M Heden. Aurora is produced by the collision of charged particles from Earth's magnetosphere, mostly electrons but also protons and heavier particles, with atoms and molecules of Earth's atmosphere (at altitudes above 80 km). The particles originate from the Sun and reach the Earth in the stream of solar wind.