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Geyser1977-09-12
Constant1010
Echinus0910, 1201, 1457, 1607
Little Whirligig0845, 1005, 1300
Values for Old Faithful Area1977-09-12
Astronomical Twilight Begin05:18
Nautical Twilight Begin05:54
Civil Twilight Begin06:29
Sunrise06:58
Sunset19:39
Civil Twilight End20:09
Nautical Twilight End20:44
Astronomical Twilight End21:20
Moon Illumination1.57%

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