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Geyser1974-06-23
Bear Den1115
Constant0919, 1019, 1120, 1233, 1325, 1453, 1547, 1628, 1716
Echinus0900, 1025, 1150, 1443, 1554, 1721
Harding 0900
Ledge0630 A, 2004
Little Whirligig0942, 1151, 1335, 1537, 1723
Valentine0930 ?
Whirligig0903, 1118, 1302, 1459, 1644
Values for Old Faithful Area1974-06-23
Astronomical Twilight Begin03:10
Nautical Twilight Begin04:13
Civil Twilight Begin05:02
Sunrise05:39
Sunset21:11
Civil Twilight End21:48
Nautical Twilight End22:37
Astronomical Twilight End23:40
Moon Illumination13.33%

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