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Geyser1973-09-13
Echinus0908, 1006, 1102, 1158, 1255, 1447, 1542
Emerald Spring 0900
Little Whirligig0900 ie, 1040, 1220 ie, 1315 ie, 1415 ie, 1443 ie, 1645 ie
Minute 1800
Orby0915 ie
Whirligig1040, 1715 ie
Values for Old Faithful Area1973-09-13
Astronomical Twilight Begin05:20
Nautical Twilight Begin05:56
Civil Twilight Begin06:30
Sunrise07:00
Sunset19:38
Civil Twilight End20:07
Nautical Twilight End20:42
Astronomical Twilight End21:18
Moon Illumination99.58%

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