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Geyser1999-10-17
Grand0959 E, 2241 E
Great Fountain0258 E, 1237 E, 2050 E
Values for Old Faithful Area1999-10-17
Astronomical Twilight Begin06:04
Nautical Twilight Begin06:37
Civil Twilight Begin07:11
Sunrise07:40
Sunset18:36
Civil Twilight End19:05
Nautical Twilight End19:39
Astronomical Twilight End20:13
Moon Illumination46.48%

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