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Geyser1991-08-12
Cistern Spring 1200
Crater Spring 1200
Echinus1010 maj, 1205, 1257, 1359, 1500, 1558 maj
Morning0553, 0923, 1302, 1654, 2039
Yellow Funnel Spring 1200
Values for Old Faithful Area1991-08-12
Astronomical Twilight Begin04:27
Nautical Twilight Begin05:11
Civil Twilight Begin05:50
Sunrise06:22
Sunset20:34
Civil Twilight End21:06
Nautical Twilight End21:45
Astronomical Twilight End22:29
Moon Illumination6.5%

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