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Geyser1987-08-06
Big Cub1029
Pearl 1800
Values for Old Faithful Area1987-08-06
Astronomical Twilight Begin04:16
Nautical Twilight Begin05:02
Civil Twilight Begin05:42
Sunrise06:15
Sunset20:42
Civil Twilight End21:15
Nautical Twilight End21:56
Astronomical Twilight End22:42
Moon Illumination85.31%

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