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Geyser1971-07-12
Beehive1330
Castle1435
Echinus1001, 1100, 1140, 1240, 1408
Grand0700, 1608
Great Fountain1155 ie
Oblong1425
Old Faithful0737 long, 0850 short, 0935 long, 1055 short, 1159 short, 1252 long, 1414 long, 1524 short, 1617 long, 1732 short, 1822 long, 1944 short, 2028 long
Other Geyser 0000-2359
Riverside0715, 1315
Valentine 1800
Values for Old Faithful Area1971-07-12
Astronomical Twilight Begin03:30
Nautical Twilight Begin04:27
Civil Twilight Begin05:14
Sunrise05:49
Sunset21:07
Civil Twilight End21:43
Nautical Twilight End22:29
Astronomical Twilight End23:27
Moon Illumination81.94%

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