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Geyser1974-07-28
Constant1145
Echinus0904, 1211, 1354, 1711
Ledge1851
Little Whirligig 1800
Valentine1603
Whirligig 1800
Values for Old Faithful Area1974-07-28
Astronomical Twilight Begin03:59
Nautical Twilight Begin04:49
Civil Twilight Begin05:31
Sunrise06:05
Sunset20:53
Civil Twilight End21:27
Nautical Twilight End22:10
Astronomical Twilight End23:00
Moon Illumination70.78%

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