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Geyser1991-08-15
Black Pool1153
Echinus0943, 1057, 1154, 1255, 1358, 1507
Morning0232 E, 0616 E, 0930, 1348, 1718, 2052
Values for Old Faithful Area1991-08-15
Astronomical Twilight Begin04:32
Nautical Twilight Begin05:15
Civil Twilight Begin05:54
Sunrise06:25
Sunset20:29
Civil Twilight End21:01
Nautical Twilight End21:39
Astronomical Twilight End22:22
Moon Illumination30.7%

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