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Geyser1966-07-15
Blue1540 ie,  1605
Cistern Spring 1800
Echinus0906, 1028, 1141, 1257, 1412, 1525, 1640
Ledge 1400, 2230 ie
Steamboat 0800
Values for Old Faithful Area1966-07-15
Astronomical Twilight Begin03:35
Nautical Twilight Begin04:31
Civil Twilight Begin05:17
Sunrise05:52
Sunset21:05
Civil Twilight End21:41
Nautical Twilight End22:26
Astronomical Twilight End23:22
Moon Illumination11.1%

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