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Geyser1977-08-20
Africa 1200
Blue 1200
Blue Mud Steam Vent 1200
Colloidal Pool 1200
Constant1045, 1107, 1137, 1200
Echinus0850 ie, 0940 A, 1025, 1441, 1622
Ledge 1200
Little Whirligig1332
Pequito 1200
Splutter Pot0818, 1046, 1110, 1115, 1124
UNNG-NBK-8 1200
Veteran 0845
Whirligig0818, 1047, 1145, 1344
Values for Old Faithful Area1977-08-20
Astronomical Twilight Begin04:42
Nautical Twilight Begin05:23
Civil Twilight Begin06:01
Sunrise06:32
Sunset20:20
Civil Twilight End20:51
Nautical Twilight End21:29
Astronomical Twilight End22:10
Moon Illumination30.27%

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