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Geyser1973-08-13
Artemisia1713
Beehive1516
Castle0650, 1523
Echinus0919, 1100, 1147, 1411, 1501
Grand1025 ie, 1839
Great Fountain0830
Ledge1355 A
Old Faithful0730 short, 0837 long, 0943 long, 1112 long, 1220 long, 1333 long, 1445 long, 1553 long, 1705 long, 1824 long, 1940 long, 2056
Old Tardy1604 ie
Riverside1200, 1800
Values for Old Faithful Area1973-08-13
Astronomical Twilight Begin04:29
Nautical Twilight Begin05:13
Civil Twilight Begin05:52
Sunrise06:24
Sunset20:32
Civil Twilight End21:03
Nautical Twilight End21:43
Astronomical Twilight End22:26
Moon Illumination99.3%

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