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Geyser1977-09-16
Africa 1200
Bear Den1310, 1550
Congress Pool 1200
Dishwater Spring 1200
Echinus1525
Emerald Spring 1200
Values for Old Faithful Area1977-09-16
Astronomical Twilight Begin05:24
Nautical Twilight Begin06:00
Civil Twilight Begin06:34
Sunrise07:03
Sunset19:32
Civil Twilight End20:01
Nautical Twilight End20:36
Astronomical Twilight End21:11
Moon Illumination10.07%

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