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Geyser1971-08-21
Africa1058, 1820
Bear Den1008
Beehive0143
Castle1335
Depression1355, 2035
Echinus0920, 1015, 1110, 1205, 1350, 1445, 1525, 1700, 1755
Grand0845, 1635
Great Fountain1437
Ledge0810 ie
Old Faithful0803 long, 0914 short, 1006 long, 1118 long, 1226 short, 1312 long, 1425 long, 1538 long, 1646 short, 1738 long, 1852 short, 1950 long
Riverside1030
Spiteful1350
Valentine1550 A
Values for Old Faithful Area1971-08-21
Astronomical Twilight Begin04:43
Nautical Twilight Begin05:24
Civil Twilight Begin06:01
Sunrise06:32
Sunset20:20
Civil Twilight End20:51
Nautical Twilight End21:28
Astronomical Twilight End22:09
Moon Illumination0.09%

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