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Astronomy

Oct. 20, 2017 Rise Solar Noon Set
Actual Time 7:10 AM MDT 12:32 PM MDT 5:54 PM MDT
Civil Twilight 6:40 AM MDT   6:23 PM MDT
Nautical Twilight 6:06 AM MDT   6:58 PM MDT
Astronomical Twilight 5:32 AM MDT   7:31 PM MDT
Altitude -0.8° 34.4° -0.8°
Azimuth 104.1° 180.0° 255.7°
Hour Angle of the Sun 80.5° 80.4° -80.3°
Mean Anomaly of the Sun 285.95° 286.17° 286.39°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -154.63° -154.42° -154.20°
Sun Declination -10.52° -10.60° -10.68°
Moon 7:51 AM MDT   6:50 PM MDT
Length of Visible Light 11h 42m
Length of Day
10h 43m
New Moon, 1% of the Moon is Illuminated
Oct 20
New Moon
Oct 27
First Quarter
Nov 4
Full
Nov 10
Last Quarter
Nov 18
New