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Geyser1980-09-20
Blue Mud Steam Vent 1200
Branch Spring 1200
Cistern Spring 1200
Corporal 1200
Dog's Leg Spring 1200
Echinus0900 min,  1200
Fearless 1200
Minute 1200
Monarch 1200
Palpitator Spring 1200
Rubble 1800
Steamboat 1200
Veteran1602
Vixen 1200
Values for Old Faithful Area1980-09-20
Astronomical Twilight Begin05:30
Nautical Twilight Begin06:05
Civil Twilight Begin06:39
Sunrise07:08
Sunset19:24
Civil Twilight End19:53
Nautical Twilight End20:27
Astronomical Twilight End21:02
Moon Illumination76.68%

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