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Geyser1977-08-19
Arsenic 1800
Congress Pool 1800
Echinus1207
Little Whirligig1345 A, 1610
Pequito 1800
Whirligig0830 ie, 1503, 1830
Values for Old Faithful Area1977-08-19
Astronomical Twilight Begin04:40
Nautical Twilight Begin05:21
Civil Twilight Begin06:00
Sunrise06:31
Sunset20:22
Civil Twilight End20:53
Nautical Twilight End21:31
Astronomical Twilight End22:13
Moon Illumination20.53%

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