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Geyser1977-08-15
Blue 1800
Constant1040, 1205 A, 1350, 1425, 1535
Echinus1039, 1607
Little Whirligig1030, 1215, 1345, 1535
Valentine1240
Values for Old Faithful Area1977-08-15
Astronomical Twilight Begin04:33
Nautical Twilight Begin05:16
Civil Twilight Begin05:54
Sunrise06:26
Sunset20:28
Civil Twilight End21:00
Nautical Twilight End21:39
Astronomical Twilight End22:21
Moon Illumination0.13%

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