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Castle1322 ie
Echinus1439, 1552, 1707
Grand0740 ie, 1601
Great Fountain1054, 1843
Lion0428, 0648 ie
Old Faithful0125 short, 0215 long, 0334 short, 0423 long, 0539 short, 0623, 0740 short, 0831 long, 0942 short, 1047 short, 1145 long, 1257 short, 1343 long, 1504 short, 1556 long, 1715 short
Values for Old Faithful Area1975-09-15
Astronomical Twilight Begin05:22
Nautical Twilight Begin05:58
Civil Twilight Begin06:32
Civil Twilight End20:04
Nautical Twilight End20:39
Astronomical Twilight End21:14
Moon Illumination76.6%

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