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Geyser1969-07-31
Echinus0855, 0935, 1046, 1130, 1220, 1300, 1410, 1450, 1605
Values for Old Faithful Area1969-07-31
Astronomical Twilight Begin04:05
Nautical Twilight Begin04:53
Civil Twilight Begin05:35
Sunrise06:09
Sunset20:50
Civil Twilight End21:23
Nautical Twilight End22:05
Astronomical Twilight End22:53
Moon Illumination93.43%

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