Middle of sunset, Kitt Peak, February 17, 2014. |
The mythical green flash as seen from Kitt Peak, February 17, 2014 |
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The last gleam of sunset, showing a green flash, Kitt Peak, February 17, 2014 |
Dawn at Kitt Peak, with Venus and the Solar Telescope, February 19, 2014 |
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Clear dawn at Kitt Peak, with Venus in the sky, February 20, 2014 |