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Astronomy

Oct. 21, 2017 Rise Solar Noon Set
Actual Time 7:26 AM MDT 12:50 PM MDT 6:13 PM MDT
Civil Twilight 6:57 AM MDT   6:41 PM MDT
Nautical Twilight 6:24 AM MDT   7:14 PM MDT
Astronomical Twilight 5:51 AM MDT   7:47 PM MDT
Altitude -0.8° 36.2° -0.8°
Azimuth 104.1° 180.0° 255.7°
Hour Angle of the Sun 80.9° 80.8° -80.8°
Mean Anomaly of the Sun 286.95° 287.17° 287.39°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -153.67° -153.46° -153.25°
Sun Declination -10.88° -10.96° -11.04°
Moon 9:07 AM MDT   7:43 PM MDT
Length of Visible Light 11h 44m
Length of Day
10h 46m
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