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Geyser1981-09-17
Blue Mud Steam Vent 1200
Echinus1455
Giantess1737
Values for Old Faithful Area1981-09-17
Astronomical Twilight Begin05:25
Nautical Twilight Begin06:01
Civil Twilight Begin06:35
Sunrise07:04
Sunset19:30
Civil Twilight End19:59
Nautical Twilight End20:33
Astronomical Twilight End21:09
Moon Illumination87.09%

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