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Geyser1991-08-17
Echinus1055, 1200, 1305, 1405 maj, 1515, 1610
Morning0153, 0533, 0913, 1253, 1654, 2044
Values for Old Faithful Area1991-08-17
Astronomical Twilight Begin04:36
Nautical Twilight Begin05:18
Civil Twilight Begin05:57
Sunrise06:28
Sunset20:26
Civil Twilight End20:57
Nautical Twilight End21:36
Astronomical Twilight End22:18
Moon Illumination50.33%

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