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Geyser1981-08-11
Blue 1200
Echinus1207 min, 1216 min, 1223:00, 1611 min, 1620:07
Morning0330
Values for Old Faithful Area1981-08-11
Astronomical Twilight Begin04:26
Nautical Twilight Begin05:10
Civil Twilight Begin05:49
Sunrise06:21
Sunset20:35
Civil Twilight End21:06
Nautical Twilight End21:46
Astronomical Twilight End22:30
Moon Illumination80.54%

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