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Geyser1987-07-11
Echinus1031,  1200, 1325, 1630
Values for Old Faithful Area1987-07-11
Astronomical Twilight Begin03:28
Nautical Twilight Begin04:26
Civil Twilight Begin05:13
Sunrise05:49
Sunset21:08
Civil Twilight End21:44
Nautical Twilight End22:30
Astronomical Twilight End23:28
Moon Illumination99.99%

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