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Geyser1991-09-10
Echinus0915, 1030, 1139, 1245, 1352
Values for Old Faithful Area1991-09-10
Astronomical Twilight Begin05:15
Nautical Twilight Begin05:51
Civil Twilight Begin06:26
Sunrise06:56
Sunset19:44
Civil Twilight End20:13
Nautical Twilight End20:48
Astronomical Twilight End21:25
Moon Illumination4.19%

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