A classic green bow in the north of Aurora Borealis and on the ground colors of fluorescence, some colors reminds of emeralds ...

The Lut Desert (a UNESCO World Heritage Site), with its endless horizons and haunting silence, enveloped our small group of ...

Close up photos (macro) of the ground in the forest during clear skies. Using UV light some things fluorescence in different colors in the dark.

The amazing colors of fluorescence (using UV light) and the structures almost looks like a sky with blue stars. The blue colors match the open cluster M45 Pleiades in the sky, the bright “star” is ...

A photo composite of multiple exposures. The heart of milky way and Scorpio constellation above the Haute-Provence Observatory (OHP) in the southeast of France.