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Geyser1981-08-10
Echinus1051 min, 1100 min, 1107, 1243 min, 1252 min, 1259, 1632 min, 1638
Morning0923, 1900
Rubble 1800
Valentine1421
Whirligig1349, 1423
Values for Old Faithful Area1981-08-10
Astronomical Twilight Begin04:24
Nautical Twilight Begin05:08
Civil Twilight Begin05:48
Sunrise06:20
Sunset20:36
Civil Twilight End21:08
Nautical Twilight End21:48
Astronomical Twilight End22:32
Moon Illumination72.36%

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