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Geyser1969-08-20
Echinus0920, 1041, 1200, 1320, 1435, 1515, 1630, 1710
Ledge1200
Values for Old Faithful Area1969-08-20
Astronomical Twilight Begin04:42
Nautical Twilight Begin05:23
Civil Twilight Begin06:01
Sunrise06:32
Sunset20:21
Civil Twilight End20:52
Nautical Twilight End21:29
Astronomical Twilight End22:11
Moon Illumination43.64%

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