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Geyser1970-08-21
Bear Den 1400
Castle1417
Ebony 1400
Echinus1210, 1624
Grand0600, 1407
Great Fountain0448
Old Faithful0745 long, 0855 short, 0941 short, 1048 short, 1141 long, 1256 short, 1343 long, 1500 short, 1548 long, 1701 long, 1804 long, 1916 long, 2020 short, 2227 long
Riverside0906, 1500
Values for Old Faithful Area1970-08-21
Astronomical Twilight Begin04:43
Nautical Twilight Begin05:24
Civil Twilight Begin06:02
Sunrise06:33
Sunset20:19
Civil Twilight End20:50
Nautical Twilight End21:28
Astronomical Twilight End22:09
Moon Illumination77.07%

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