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Geyser1971-08-18
Africa1746
Artemisia0815
Bear Den1801
Beehive0845, 1830
Castle0925 ie, 1754
Echinus0955, 1051, 1142, 1415, 1543, 1630
Grand1003, 1750
Ledge2100 A
Lion1808
Old Faithful0815 short, 0903 long, 1015 long, 1126 short, 1217 long, 1339 short, 1436 long, 1545 short, 1642 long, 1808 short, 1850 long, 2006 short
Riverside1230
Round0845
Valentine1308
Values for Old Faithful Area1971-08-18
Astronomical Twilight Begin04:37
Nautical Twilight Begin05:19
Civil Twilight Begin05:58
Sunrise06:29
Sunset20:25
Civil Twilight End20:56
Nautical Twilight End21:34
Astronomical Twilight End22:16
Moon Illumination7.19%

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