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Contains:  Star trails
Whirlpool of Stars, 


            Scott Davis

Whirlpool of Stars

Technical card

Imaging telescope or lens:Tamron 17-55mm f/2.8

Imaging camera:Canon EOS 60D

Software:Photoshop CS6

Resolution: 3000x2000

Dates:Dec. 31, 2013

Frames: 1x7200"

Integration: 2.0 hours

Avg. Moon age: 28.41 days

Avg. Moon phase: 1.42%

Locations: Ahwahnee Hills Observatory, Ahwahnee, California, United States


This wide-angle long exposure centered on Polaris shows just how much our planet rotates in just two hours. Shot at a 17mm focal length.



Scott Davis
License: Attribution-NonCommercial-NoDerivs Creative Commons


Whirlpool of Stars, 


            Scott Davis