• Entries must be a visual of Comet ISON.
  • Entries must include information about where the visual was taken, when the visual was taken (day, month, year, and time), the equipment used to capture the visual, and the camera settings.
  • Entries may be produced by individuals or teams.
  • A maximum of three entries by an individual or team is permitted.
  • Each entry may be submitted to one category only.
  • Entries must match the description of the category to which they are submitted.
  • Entries must not advertise or promote a commercial product visually or orally.
  • Entry and registrant information must be submitted in English.
  • Entries that reach the semifinal judging round must have a high-resolution version of the visual that is at least 2 megapixels, in order to ensure that the image can be reproduced for publication and promotional purposes.
  • Employees, contractors, or officers of the sponsoring organizations are not eligible to enter the contest.
  • Judges are not eligible to enter the contest.
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