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Geyser1964-07-15
Colloidal Pool 1000,  1200,  1201
Echinus0827, 0935, 1046, 1321, 1408, 1521, 1631
Ledge 0800
Steamboat 1800
Valentine0000 A, 1147, 1647
Values for Old Faithful Area1964-07-15
Astronomical Twilight Begin02:36
Nautical Twilight Begin03:32
Civil Twilight Begin04:17
Sunrise04:53
Sunset20:05
Civil Twilight End20:40
Nautical Twilight End21:26
Astronomical Twilight End22:22
Moon Illumination37.94%

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