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Geyser1977-07-11
Black Growler 1200
Echinus0910, 1218, 1435
Guardian1733
Little Whirligig0800 ie, 1020 A
Valentine1730
Values for Old Faithful Area1977-07-11
Astronomical Twilight Begin03:29
Nautical Twilight Begin04:27
Civil Twilight Begin05:13
Sunrise05:49
Sunset21:08
Civil Twilight End21:43
Nautical Twilight End22:30
Astronomical Twilight End23:28
Moon Illumination22.34%

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