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Geyser1988-07-17
Crater Spring 1200
Echinus0945, 1057, 1145, 1440 min, 1450
Kaleidoscope 1200
Yellow Funnel Spring 1200
Values for Old Faithful Area1988-07-17
Astronomical Twilight Begin03:40
Nautical Twilight Begin04:34
Civil Twilight Begin05:20
Sunrise05:55
Sunset21:03
Civil Twilight End21:38
Nautical Twilight End22:23
Astronomical Twilight End23:18
Moon Illumination10.07%

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