Noctilucent Clouds

Noctilucent Cclouds


14 July 2009


Sigma 17-70 mm f/2.8-4.5 DC Macro


15 sec f/8 ISO 100

Noctilucent clouds in the masosphere in the altitude above 76 km. It has nothing to do with atmosphere and common clouds as we know it. The phenomenon is quite rare and in the northern hemisphere can be best observed from mid-May to mid-August

Milos Hroch