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Geyser1973-09-12
Echinus0918, 1010:30, 1111, 1208, 1505, 1604
Little Whirligig 1035, 1049,  1135, 1146,  1720, 1740 ie,  1748
Orby0945 A
Whirligig1039, 1732 ie,  1745
Values for Old Faithful Area1973-09-12
Astronomical Twilight Begin05:18
Nautical Twilight Begin05:54
Civil Twilight Begin06:29
Sunrise06:58
Sunset19:40
Civil Twilight End20:09
Nautical Twilight End20:44
Astronomical Twilight End21:20
Moon Illumination99.83%

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