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Geyser1977-08-21
Constant1232, 1250, 1437
Echinus1145, 1238, 1612
Green Dragon Spring 1200
Little Whirligig1250
Orby0950
Pinwheel 1800
Porkchop0950
Whirligig0803, 1430, 1534
Yellow Funnel Spring 1200
Values for Old Faithful Area1977-08-21
Astronomical Twilight Begin04:44
Nautical Twilight Begin05:24
Civil Twilight Begin06:02
Sunrise06:33
Sunset20:19
Civil Twilight End20:50
Nautical Twilight End21:27
Astronomical Twilight End22:08
Moon Illumination41.1%

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