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Blue 1800
Depression1233 ie, 1913
Dome1033 ie
Echinus0835, 0922, 1013, 1103, 1152, 1505, 1557, 1647
Grand1112, 1915
Great Fountain1607
Grotto1025, 1554
Grotto Fountain1020, 1550
Honey's Vent1633
Old Faithful0838 long, 0954 short, 1111 long, 1230 long, 1339 long, 1446 long, 1555 long, 1720 short, 1811 long, 1923 short, 2012 long, 2123, 2211 long
Old Tardy1845
Riverside0810, 1405, 2000
Sawmill1010, 1847
Values for Old Faithful Area1973-08-23
Astronomical Twilight Begin04:47
Nautical Twilight Begin05:27
Civil Twilight Begin06:05
Civil Twilight End20:46
Nautical Twilight End21:24
Astronomical Twilight End22:04
Moon Illumination29.82%

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