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Geyser1971-09-17
Bear Den0915, 1244
Beehive1008
Castle1317 ie
Depression0935
Echinus0932, 1540
Grand1110
Old Faithful0902 short, 0940 long, 1101 short, 1148 long, 1308 short, 1401 long, 1513 short, 1609 long, 1718
Porkchop1515 ie
Values for Old Faithful Area1971-09-17
Astronomical Twilight Begin05:25
Nautical Twilight Begin06:00
Civil Twilight Begin06:35
Sunrise07:04
Sunset19:31
Civil Twilight End20:00
Nautical Twilight End20:35
Astronomical Twilight End21:10
Moon Illumination5.06%

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