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Astronomy

Aug. 17, 2017 Rise Solar Noon Set
Actual Time 6:15 AM MDT 1:06 PM MDT 7:56 PM MDT
Civil Twilight 5:46 AM MDT   8:24 PM MDT
Nautical Twilight 5:11 AM MDT   8:59 PM MDT
Astronomical Twilight 4:33 AM MDT   9:37 PM MDT
Altitude -0.8° 62.9° -0.8°
Azimuth 71.8° 180.0° 288.0°
Hour Angle of the Sun 102.7° 102.6° -102.5°
Mean Anomaly of the Sun 222.83° 223.12° 223.40°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 147.07° 147.34° 147.60°
Sun Declination 13.26° 13.17° 13.07°
Moon 1:51 AM MDT   4:40 PM MDT
Length of Visible Light 14h 38m
Length of Day
13h 40m
Waning Crescent, 21% of the Moon is Illuminated
Aug 17
Waning Crescent
Aug 21
New
Aug 29
First Quarter
Sep 6
Full
Sep 13
Last Quarter