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Geyser1973-04-23
Bear Den 0800, 1725, 1938
Echinus1505,  1800
Valentine1157 ie
Values for Old Faithful Area1973-04-23
Astronomical Twilight Begin03:34
Nautical Twilight Begin04:16
Civil Twilight Begin04:54
Sunrise05:25
Sunset19:17
Civil Twilight End19:48
Nautical Twilight End20:26
Astronomical Twilight End21:08
Moon Illumination72.66%

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