Colours in the sky ================== .. articleMetaData:: :Where: Skien, Norway :Date: 20050528 0020 CEST :Tags: nature, photography .. image:: images/corona1.png :align: center :target: http://photos.derickrethans.nl/asmosphere/aai .. image:: images/corona2.png :align: center :target: http://photos.derickrethans.nl/asmosphere/aam When I was walking home from work today I spotted some colours in a cloud near the Sun. When I got home I decided to make some pictures of it, and it turned out to be much better on (digital) film. These coloured bands around the Sun (or Moon) are called `coronae`_ and form due to light diffraction by tiny particles such as water droplets. I have some more pictures `here`_ . .. _`coronae`: http://www.sundog.clara.co.uk/droplets/corona.htm .. _`here`: http://photos.derickrethans.nl/asmosphere