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Geyser1974-08-20
Bear Den1259
Cistern Spring 1200
Constant1620
Echinus0842, 0951, 1059, 1211, 1321, 1430, 1651
Pinto1404, 1500
Values for Old Faithful Area1974-08-20
Astronomical Twilight Begin04:41
Nautical Twilight Begin05:23
Civil Twilight Begin06:00
Sunrise06:31
Sunset20:21
Civil Twilight End20:52
Nautical Twilight End21:30
Astronomical Twilight End22:11
Moon Illumination8.83%

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