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Geyser1971-07-27
Africa1213, 1335
Beehive1150, 2130 ?
Castle0845, 1720
Echinus0930, 1020, 1105, 1152, 1500, 1545, 1630, 1720
Grand0852, 1508
Great Fountain0900
Grotto Fountain1310
Lion0828, 1100, 1202, 1415, 1630, 1847, 2008
Oblong0210
Old Faithful0720, 0840 short, 0955 short, 1108 short, 1155 long, 1310 short, 1356 long, 1514 short, 1556 long, 1713 long, 1815 long, 1936 short, 2019
Riverside1045, 1616
Values for Old Faithful Area1971-07-27
Astronomical Twilight Begin03:56
Nautical Twilight Begin04:47
Civil Twilight Begin05:30
Sunrise06:04
Sunset20:55
Civil Twilight End21:29
Nautical Twilight End22:12
Astronomical Twilight End23:02
Moon Illumination21.37%

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