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Geyser1966-08-25
Blue0800 ie
Cistern Spring 1800
Ebony1302, 1610
Echinus0829, 0924, 1021, 1118, 1217, 1316, 1413, 1510, 1607, 1707
Emerald Spring 1800
Fireball 1200
Harding 0800
Ledge 1200, 1709,  1710
Steamboat 0830-1800
Veteran1645
Values for Old Faithful Area1966-08-25
Astronomical Twilight Begin04:50
Nautical Twilight Begin05:30
Civil Twilight Begin06:07
Sunrise06:37
Sunset20:13
Civil Twilight End20:43
Nautical Twilight End21:20
Astronomical Twilight End22:00
Moon Illumination71.5%

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