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Castle0932, 1904
Dome 0000-1200
Grand0950, 1707
Great Fountain1142, 1852
Old Faithful0823 long, 0945 long, 1052 long, 1201 short, 1305 long, 1421 long, 1541 long, 1700 long
Values for Old Faithful Area1976-10-14
Astronomical Twilight Begin06:01
Nautical Twilight Begin06:34
Civil Twilight Begin07:08
Civil Twilight End19:09
Nautical Twilight End19:43
Astronomical Twilight End20:17
Moon Illumination70.39%

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