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Geyser1977-08-01
Dabble 0900
Echinus0850, 0955 ?, 1627
Little Whirligig1030, 1400
Values for Old Faithful Area1977-08-01
Astronomical Twilight Begin04:07
Nautical Twilight Begin04:55
Civil Twilight Begin05:37
Sunrise06:10
Sunset20:48
Civil Twilight End21:21
Nautical Twilight End22:03
Astronomical Twilight End22:51
Moon Illumination95.77%

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