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Geyser1971-07-30
Africa1030, 1155, 1541
Bear Den1030, 1404
Beehive1944
Castle0840, 1715
Echinus0800 A, 0926, 1025, 1103, 1145, 1224, 1400, 1543, 1643
Grand1355
Great Fountain1035
Ledge0700 A
Old Faithful0734, 0858 short, 0940 long, 1106 short, 1146 long, 1310 short, 1355 long, 1510 short, 1610 short, 1725 short, 1813 long, 1930 short, 2016 long
Riverside0900
Round0350
Valentine2315
Values for Old Faithful Area1971-07-30
Astronomical Twilight Begin04:02
Nautical Twilight Begin04:51
Civil Twilight Begin05:34
Sunrise06:07
Sunset20:51
Civil Twilight End21:25
Nautical Twilight End22:07
Astronomical Twilight End22:56
Moon Illumination48.03%

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