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Geyser1973-04-09
Constant 1800
Echinus1747, 1855,  1900
Ledge1034
Valentine0816 A
Values for Old Faithful Area1973-04-09
Astronomical Twilight Begin04:05
Nautical Twilight Begin04:43
Civil Twilight Begin05:19
Sunrise05:49
Sunset19:00
Civil Twilight End19:30
Nautical Twilight End20:06
Astronomical Twilight End20:43
Moon Illumination39.9%

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