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Basin 1800
Bear Den1045, 1342
Beehive's Indicator1350
Echinus1406, 1506, 1550
Grand1158, 1925
Great Fountain1016, 1804
Old Faithful0020 short, 0109 long, 0227 short, 0321 long, 0432 long, 0552 long, 0704 long, 0810 long, 0923 short, 1008 long, 1128 short, 1217 long, 1332 short, 1419 long, 1553 short, 1633 long, 1750 long, 1901 long, 2018 short, 2106 long, 2218 short, 2324 short
Riverside0915, 1445 ie, 1958
Whirligig 1800
Values for Old Faithful Area1975-08-22
Astronomical Twilight Begin04:44
Nautical Twilight Begin05:25
Civil Twilight Begin06:03
Civil Twilight End20:49
Nautical Twilight End21:26
Astronomical Twilight End22:07
Moon Illumination99.83%

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