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Geyser1999-08-20
Aurum0024 E, 0255 E, 0634 E, 0949 E, 1417 E, 2023 E, 2342 E
Castle0902 E, 1224 E
Constant1042, 1319, 1431
Depression0512 E, 1123 E, 1744 E
Echinus0932, 1125, 1305, 1453
Grand0250 E, 1640 E
Great Fountain0214 E, 1250 E
Little Cub0009 E, 0147 E, 0322 E, 0500 E, 0635 E, 0812 E, 0942 E, 1121 E, 1227 E, 1338 E, 1451 E, 1603 E, 1747 E, 1914 E, 2046 E, 2220 E, 2356 E
Lone Pine0402 E, 2131 E
Plate0215 E, 0623 E, 1046 E, 1506 E, 2027 E
Pyramid0133 E, 0412 E, 0656 E, 0939 E, 1212 E, 1502 E, 1755 E, 2036 E, 2310 E
Whirligig1326, 1514
Values for Old Faithful Area1999-08-20
Astronomical Twilight Begin04:41
Nautical Twilight Begin05:22
Civil Twilight Begin06:00
Sunrise06:31
Sunset20:21
Civil Twilight End20:52
Nautical Twilight End21:30
Astronomical Twilight End22:11
Moon Illumination61.04%

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