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Geyser1973-07-31
Beehive1238
Beehive's Indicator1234
Castle1543
Cliff0930
Daisy1153, 1334
Depression1210
Echinus0800 A, 0852, 1040, 1134, 1418, 1515, 1610, 1705
Emerald Spring 1200
Grand1110, 2040
Great Fountain0740, 1713
Grotto1300
Grotto Fountain1310
Ledge0856
Little Cub0703
Little Whirligig 1200
Lone Star1010
Narcissus1531
North Goggle1715
Oblong1928
Old Faithful0749 short, 0838 long, 0951 short, 1037 long, 1151 short, 1255 long, 1402 long, 1508 short, 1716 long, 1727 long, 1839 short, 1927 long, 2045 short
Penta2010
Riverside0945, 1601, 2141
Round1341
Valentine1317
Values for Old Faithful Area1973-07-31
Astronomical Twilight Begin04:05
Nautical Twilight Begin04:53
Civil Twilight Begin05:35
Sunrise06:09
Sunset20:50
Civil Twilight End21:23
Nautical Twilight End22:05
Astronomical Twilight End22:53
Moon Illumination3.07%

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