Astrophotography

... the night sky seen from Valais, Switzerland

smGVA_MSC_c4tstartrails_NO2 Startrails, North-East night sky of Northern Hemisphere, November 2021, Ovronnaz, Valais, Switzerland

sm07-02-mooncombo One day before First Quarter Moon, Northern Hemisphere, Switzerland

smc_0000_GVA_6939 Full moon in the Northern Hemisphere, Ovronnaz, Valais, Switzerland

smGVA_7388 Color twinkling of the star Sirius (Alpha Canis Majoris) shown in a twenty-second exposure using a telephoto lens that was wiggled slightly during the exposure

smGVA_7673_g Waning gibbous moon phase, Northern Hemisphere, Switzerland

smGVA_MSC_c4s4137_gc Waxing crescent, the darker side of the Moon appears in pale grey light, called the Earthshine. The earthshine is light that is reflected from the Earth to the...

$smGVA_4411c Star trail composite of Sirius (Alpha Canis Majoris) showing its twinkling colours caused by the constant changes of the refraction of its light in the...$