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Astronomy

Oct. 21, 2017 Rise Solar Noon Set
Actual Time 7:16 AM MDT 12:39 PM MDT 6:00 PM MDT
Civil Twilight 6:47 AM MDT   6:30 PM MDT
Nautical Twilight 6:14 AM MDT   7:03 PM MDT
Astronomical Twilight 5:40 AM MDT   7:36 PM MDT
Altitude -0.8° 35.3° -0.8°
Azimuth 104.3° 180.0° 255.5°
Hour Angle of the Sun 80.6° 80.5° -80.4°
Mean Anomaly of the Sun 286.94° 287.16° 287.38°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -153.68° -153.47° -153.25°
Sun Declination -10.88° -10.96° -11.04°
Moon 8:57 AM MDT   7:30 PM MDT
Length of Visible Light 11h 42m
Length of Day
10h 44m
Waxing Crescent, 3% of the Moon is Illuminated
Oct 21
Waxing Crescent
Oct 27
First Quarter
Nov 4
Full
Nov 10
Last Quarter
Nov 18
New