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Geyser1991-11-23
Fantail 1991-10-20 0000-1992-05-01 2359
Values for Old Faithful Area1991-11-23
Astronomical Twilight Begin05:47
Nautical Twilight Begin06:21
Civil Twilight Begin06:57
Sunrise07:29
Sunset16:49
Civil Twilight End17:21
Nautical Twilight End17:57
Astronomical Twilight End18:32
Moon Illumination97.55%

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