Challenge has finished
The sky can sometimes show some beautiful colours and lights through various optical phenomena. Some of the most common and well-known ones are the Aurora (Northern/Southern lights) and Parhelia (Sundogs), but there are many others which can occur. Use this challenge to present your best photo(s) of these fascinating optical events.
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Tuesday, 22nd July, 2014 (GMT)
Tuesday, 29th July, 2014 – Monday, 4th August, 2014 (GMT)
Tuesday, 5th August, 2014 – Monday, 11th August, 2014 (GMT)
Capture date rules:
Maximum number of entries per user:
Maximum number of entries in challenge:
These entries were provided by the challenge host(s) as samples and cannot be voted on. Upload sample image.
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