Visible Sky

“Star Trails” or Circum-Polar photography Behind this all-scientific name hides is a rather clever spectacular photography technique. It highlights the rotation of the earth around the Polar Star. The method is simple; leave a “reflex” type camera – in long exposure for purists, or short for computer specialists – and see the displacement appear in […]

The moon as you have never seen it Our eye is only adapted to a reduced spectrum of light frequencies. This spectrum is interpreted by our eyes and our brain and allows us to see colors. But only the ones we need to live on earth, or rather to survive. Nature is well done, and […]