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Geyser1974-06-18
Africa 2100
Arch Steam Vent0000,  1120
Constant1325 A,  1830
Echinus1051, 1210, 1325, 1445, 1600, 1725
Emerald Spring 1300
Ledge0923, 2247
Little Whirligig 1800
Steamboat 1300
Valentine0947
Whirligig 2100-2130, 2130, 2230 ie
Values for Old Faithful Area1974-06-18
Astronomical Twilight Begin03:09
Nautical Twilight Begin04:12
Civil Twilight Begin05:01
Sunrise05:38
Sunset21:10
Civil Twilight End21:47
Nautical Twilight End22:36
Astronomical Twilight End23:39
Moon Illumination5.37%

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