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Africa 1051
Bear Den1054, 1500
Congress Pool 1974-09-06 1215-1315,  1800
Constant1053, 1517
Dark Cavern1515
Echinus0847, 1004, 1122, 1240, 1400, 1518, 1639
Emerald Spring 1800
Hurricane Vent 1800
Ledge 1800
Little Whirligig0906, 1108, 1312, 1455, 1714
Steamboat 1800
Valentine 1800
Whirligig0807 ie, 0943
Values for Old Faithful Area1974-09-07
Astronomical Twilight Begin05:11
Nautical Twilight Begin05:48
Civil Twilight Begin06:23
Civil Twilight End20:19
Nautical Twilight End20:54
Astronomical Twilight End21:31
Moon Illumination73.24%

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