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Geyser1983-07-25
Crater Spring 1200
Echinus1148, 1231, 1455, 1540
Yellow Funnel Spring 1200
Values for Old Faithful Area1983-07-25
Astronomical Twilight Begin03:53
Nautical Twilight Begin04:44
Civil Twilight Begin05:28
Sunrise06:02
Sunset20:57
Civil Twilight End21:31
Nautical Twilight End22:14
Astronomical Twilight End23:06
Moon Illumination99.93%

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