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Geyser1977-08-22
Blue Mud Steam Vent 1200
Echinus1015
Whirligig1200 A
Values for Old Faithful Area1977-08-22
Astronomical Twilight Begin04:45
Nautical Twilight Begin05:26
Civil Twilight Begin06:03
Sunrise06:34
Sunset20:17
Civil Twilight End20:48
Nautical Twilight End21:25
Astronomical Twilight End22:06
Moon Illumination52.48%

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