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Geyser1973-09-27
Africa 1500
Blue 1200,  1500
Cistern Spring 0930
Colloidal Pool 1500
Congress Pool 1500
Dabble 0930
Little Whirligig 1500
Minute 1200
Orby 0930,  1200
Pearl 1200
Porkchop 1200
Steamboat 0930
Sunday 1500
Vixen 1200
Whirligig 1500
Values for Old Faithful Area1973-09-27
Astronomical Twilight Begin05:39
Nautical Twilight Begin06:13
Civil Twilight Begin06:47
Sunrise07:16
Sunset19:11
Civil Twilight End19:40
Nautical Twilight End20:14
Astronomical Twilight End20:49
Moon Illumination0.54%

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