Lichtende nachtwolken 13 - 07 - 2008

Lichtende nachtwolken zijn wolken die op zo'n grote hoogte voorkomen dat ze tot lang na zonsondergang en soms de hele nacht zichtbaar blijven doordat ze door de zon bestraald worden.Hier enkele foto's van 13 juli 2008

Noctilucent clouds are clouds which exists at great altitude. The altitude is so high that they are lightened by the sun long after sunset or even in the middle of the night. Here are some pictures. Here are some pictures from July 13th 2008.

All pictures have been taken with a Canon 40D using a Tamron 18-250mm F3.5 - 5.6 lens

23h25 (f=5, exp=auto)

23:35 (same exp.)

23:35 (18mm, auto exp.)

23:35, a 30s exposure reveals stars at the top of the picture.