Category:Observatories in the United States photographed in 2007
Media in category "Observatories in the United States photographed in 2007"
The following 2 files are in this category, out of 2 total.
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2007-04-06 3000x2000 evanston nu observatory.jpg 3,000 × 2,000; 1,018 KB
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Palomar Hale Coupole.JPG 3,072 × 2,304; 2.37 MB