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Geyser1981-08-09
Constant1012
Corporal 1200
Dark Cavern1444
Dog's Leg Spring 1200
Echinus1023, 1135, 1210 min, 1215 min
Emerald Spring 1200
Fearless 1200
Morning0014 ie, 0300 ?, 1022, 2314
Orby 1200
Rubble0000 A,  1200
Whirligig0957, 1031, 1247, 1430
Values for Old Faithful Area1981-08-09
Astronomical Twilight Begin04:22
Nautical Twilight Begin05:07
Civil Twilight Begin05:47
Sunrise06:19
Sunset20:37
Civil Twilight End21:10
Nautical Twilight End21:50
Astronomical Twilight End22:34
Moon Illumination63.47%

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