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Geyser1977-06-20
Constant1030 A
Echinus1015, 1130
Whirligig1015 A
Values for Old Faithful Area1977-06-20
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 Illumination11.14%

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