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Comet ISON Photo Contest:
Submit up to five of your best shots of Comet ISON.
Photos must meet the following technical criteria:
- File size must be less than 150 kilobytes
- File format must be JPG or GIF
- File names must not contain special characters (*, &, :, /, \. etc.)
- Images must be at least 640x480 pixels, but no larger than 1,600x1,200 pixels
Read the contest rules for photo submissions.