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Geyser1976-10-20
Beehive0905 ie
Castle0825 ie, 1741
Fan and Mortar1545 ie
Grand1314
Great Fountain0945 ie, 1755
Oblong1340
Old Faithful0805 long, 0923 short, 1037, 1150 long, 1320 long, 1434 long, 1557 long, 1705 long
Riverside1216, 1631
Values for Old Faithful Area1976-10-20
Astronomical Twilight Begin06:08
Nautical Twilight Begin06:42
Civil Twilight Begin07:15
Sunrise07:45
Sunset18:30
Civil Twilight End19:00
Nautical Twilight End19:33
Astronomical Twilight End20:07
Moon Illumination12.51%

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