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Geyser1971-06-21
Beehive1521
Castle1459
Echinus1008, 1052, 1215, 1300, 1508, 1730
Grand1516
Great Fountain1520
Lion0749, 0832, 1040, 1200, 1326
Old Faithful0732 short, 0821 short, 0941 short, 1050 short, 1139 long, 1251 short, 1334 short, 1445 short, 1548 short, 1701 short, 1757 long, 1907 long, 2013
Riverside0645, 1130, 1732
Values for Old Faithful Area1971-06-21
Astronomical Twilight Begin03:09
Nautical Twilight Begin04:12
Civil Twilight Begin05:01
Sunrise05:38
Sunset21:11
Civil Twilight End21:48
Nautical Twilight End22:36
Astronomical Twilight End23:40
Moon Illumination3.47%

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