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.
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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