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Geyser1978-06-20
Cistern Spring 1200
Echinus1550
Steamboat 1200
Veteran0930, 1050, 1400
Values for Old Faithful Area1978-06-20
Astronomical Twilight Begin03:09
Nautical Twilight Begin04:12
Civil Twilight Begin05:01
Sunrise05:38
Sunset21:11
Civil Twilight End21:48
Nautical Twilight End22:36
Astronomical Twilight End23:40
Moon Illumination99.44%

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