Friday, June 7, 2013

We had some lovely views of noctilucent clouds a week ago. These are made up of ice particles in the upper atmosphere ( approx 80 km altitude !) They tend to occur in Northern lattitudes ( above 50 degrees) in the summer months and during late twilight ( after about 11p.m.)





2 comments:

  1. wow they look good! I'm still sorting my holiday pics & will email when they're online. Uploaded noctilucent pics to the cloud spotters website which prompted a lot of positive comments :)

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  2. the clouds look like angels..amazing

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