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Geyser1981-07-13
Constant1217, 1220
Echinus1035, 1238
Guardian1534
Sunday1206:38 maj, 1219:34, 1220:57, 1228:06, 1237:31, 1256:26, 1309:46 maj, 1318:43, 1325:39, 1350:37 maj, 1402:28 maj, 1407:07 maj,  1900
Valentine1544
Whirligig1153:35, 1244:28, 1335, 1426:40
Values for Old Faithful Area1981-07-13
Astronomical Twilight Begin03:32
Nautical Twilight Begin04:29
Civil Twilight Begin05:15
Sunrise05:51
Sunset21:06
Civil Twilight End21:42
Nautical Twilight End22:28
Astronomical Twilight End23:25
Moon Illumination85.49%

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