Mark A. Brown
Location of Photo:
Tyndall AFB, Florida 30.0950° N, 85.6450° W
Date/Time of photo:
January 20, 2007 ~6:30pm CST
Canon Digital Rebel, 18-55mm lens at 55mm, ISO 400, f/4.5, 90 second exposure (guided)
Close up view of Comet McNaught's tail extending above the horizon. The striations reminded me of auroral pillars.