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Geyser1973-04-27
Bear Den1911
Beehive1741
Dome0905
Echinus1509
Grand1440
Guardian 0800
Ledge1804
Old Faithful0912 short, 1001 long, 1121 short, 1211 long, 1321 long, 1435 long, 1544 long, 1653 long
Valentine1058
Values for Old Faithful Area1973-04-27
Astronomical Twilight Begin03:26
Nautical Twilight Begin04:08
Civil Twilight Begin04:47
Sunrise05:19
Sunset19:22
Civil Twilight End19:54
Nautical Twilight End20:32
Astronomical Twilight End21:15
Moon Illumination34.77%

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