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Geyser1991-06-27
Echinus0900, 0950 maj, 1130, 1155, 1245, 1341, 1430, 1523, 1610
Vixen1435
Whirligig1430
Values for Old Faithful Area1991-06-27
Astronomical Twilight Begin03:12
Nautical Twilight Begin04:15
Civil Twilight Begin05:03
Sunrise05:40
Sunset21:12
Civil Twilight End21:48
Nautical Twilight End22:37
Astronomical Twilight End23:40
Moon Illumination99.99%

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