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Geyser1985-08-07
Bear Den1441
Blue1300 A
Constant1342, 1520, 1649:30, 1842:30
Echinus1054, 1157, 1258, 1350, 1451
Fireball1650, 1845
Porkchop 1800
Splutter Pot1803, 1809, 1814, 1820, 1825, 1830, 1836, 1841, 1851, 1857, 1902, 1907, 1912, 1917, 1920, 1931
Steamvalve Spring0843, 1210, 1533, 1857
Vixen1139:00, 1313, 1442, 1618,  1800
Whirligig1421, 1648, 1917
Values for Old Faithful Area1985-08-07
Astronomical Twilight Begin04:18
Nautical Twilight Begin05:04
Civil Twilight Begin05:44
Sunrise06:17
Sunset20:40
Civil Twilight End21:13
Nautical Twilight End21:53
Astronomical Twilight End22:39
Moon Illumination64.22%

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