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Geyser1967-08-17
Arsenic1430
Ebony1520
Fan-Norris 1200, 1200, 1520,  1702, 1702
Values for Old Faithful Area1967-08-17
Astronomical Twilight Begin04:36
Nautical Twilight Begin05:18
Civil Twilight Begin05:56
Sunrise06:28
Sunset20:26
Civil Twilight End20:58
Nautical Twilight End21:36
Astronomical Twilight End22:18
Moon Illumination91.32%

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