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Geyser1980-08-04
Bear Den 1100, 1151, 1423, 1656, 1930
Cistern Spring 1200
Crater Spring 1200
Echinus1051, 1210, 1408
Emerald Spring 1200
Little Whirligig1136:54, 1444:34, 1621:58, 1756:03
Tantalus 1200
Values for Old Faithful Area1980-08-04
Astronomical Twilight Begin04:13
Nautical Twilight Begin05:00
Civil Twilight Begin05:41
Sunrise06:14
Sunset20:44
Civil Twilight End21:17
Nautical Twilight End21:58
Astronomical Twilight End22:44
Moon Illumination41.59%

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