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Geyser1970-07-21
Artemisia1355
Bear Den1658
Echinus0915, 1050, 1136, 1445, 1555, 1638, 1726
Fountain1115, 1650
Grand1440
Great Fountain0750
Lion1054, 1415, 1545
Old Faithful0822 short, 0906 long, 1021 short, 1115 long, 1224 long, 1335 short, 1421 long, 1542 short, 1621 long, 1740 short, 1836 long, 1951 short, 2037 short, 2320
Riverside0900, 1518
Values for Old Faithful Area1970-07-21
Astronomical Twilight Begin03:46
Nautical Twilight Begin04:39
Civil Twilight Begin05:23
Sunrise05:58
Sunset21:00
Civil Twilight End21:35
Nautical Twilight End22:19
Astronomical Twilight End23:13
Moon Illumination91.43%

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