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Castle1055, 2031
Dome 0000-2359
Grand1156, 2004
Great Fountain1212, 1915
Oblong1402, 2017
Old Faithful0805, 0852, 1005 short, 1103 long, 1215 short, 1305 long, 1425 short, 1537 long, 1601, 1653 long
Riverside1358, 1941
Values for Old Faithful Area1976-10-01
Astronomical Twilight Begin05:44
Nautical Twilight Begin06:19
Civil Twilight Begin06:52
Civil Twilight End19:32
Nautical Twilight End20:06
Astronomical Twilight End20:40
Moon Illumination58.51%

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