  1 Kitt Peak National Observatory at sunset |
 2 Kitt Peak National Observatory at sunset |
 3 Mayall 4m Telescope, Kitt Peak National Observatory |
 4 Mayall 4m Telescope, Kitt Peak National Observatory |
 5 Star trails behind Mayall 4m Telescope, Kitt Peak National Observatory Special Mention
TWAN 2015 Photo Contest |
 6 Milky Way and WIYN 3.5m telescope, Kitt Peak, AZ |
 7 Star trails behind WIYN 0.9m telescope, Kitt Peak, AZ |
 8 WIYN 0.9m telescope, Kitt Peak, AZ |
 9 Large Millimeter Telescope, Mexico |
 10 Large Millimeter Telescope, Mexico |
 11 Large Millimeter Telescope, Mexico |
 12 Large Millimeter Telescope, Mexico |
 13 Large Millimeter Telescope, Mexico |
 14 Large Millimeter Telescope, Mexico |
 15 Large Millimeter Telescope, Mexico |
 16 Large Millimeter Telescope, Mexico |
 17 Large Millimeter Telescope, Mexico |
 18 Sierra Negra, Pico de Orizaba, and the Large Millimeter Telescope, Mexico |
 19 Sierra Negra, Pico de Orizaba, and the Large Millimeter Telescope, Mexico |
 20 Sierra Negra, Pico de Orizaba, and the Large Millimeter Telescope, Mexico |
 21 Maria Mitchell Observatory, Nantucket, MA |
 22 Mont Mégantic Observatory Mont Mégantic, Québec |
 23 Mont Mégantic Observatory Mont Mégantic, Québec |
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