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Geyser1980-09-30
Bear Den1127 ie
Blue 1200
Colloidal Pool 1200,  1200
Corporal 1200
Echinus1012 ie, 1035, 1107
Hurricane Vent 1200
Palpitator Spring 1200
Rubble 1200
Splutter Pot1223 ie
Valentine0000 A
Veteran1050 A
Whirligig1032, 1122, 1220
Values for Old Faithful Area1980-09-30
Astronomical Twilight Begin05:43
Nautical Twilight Begin06:17
Civil Twilight Begin06:51
Sunrise07:20
Sunset19:05
Civil Twilight End19:34
Nautical Twilight End20:08
Astronomical Twilight End20:42
Moon Illumination59.77%

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