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Geyser1966-08-11
Cistern Spring 0840-1650
Echinus0759, 0906, 1011, 1117, 1225, 1334, 1440, 1548, 1657
Harding 0800
Steamboat 0745-1515
Values for Old Faithful Area1966-08-11
Astronomical Twilight Begin04:25
Nautical Twilight Begin05:09
Civil Twilight Begin05:49
Sunrise06:21
Sunset20:35
Civil Twilight End21:07
Nautical Twilight End21:47
Astronomical Twilight End22:31
Moon Illumination32.75%

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