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Astronomy

Aug. 20, 2017 Rise Solar Noon Set
Actual Time 5:51 AM MST 12:26 PM MST 7:00 PM MST
Civil Twilight 5:26 AM MST   7:25 PM MST
Nautical Twilight 4:56 AM MST   7:55 PM MST
Astronomical Twilight 4:25 AM MST   8:26 PM MST
Altitude -0.8° 70.6° -0.8°
Azimuth 75.0° 180.0° 284.8°
Hour Angle of the Sun 98.7° 98.6° -98.6°
Mean Anomaly of the Sun 225.82° 226.09° 226.36°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 149.88° 150.13° 150.39°
Sun Declination 12.27° 12.18° 12.09°
Moon 4:36 AM MST   6:25 PM MST
Length of Visible Light 13h 59m
Length of Day
13h 08m
Waning Crescent, 1% of the Moon is Illuminated
Aug 20
Waning Crescent
Aug 21
New
Aug 29
First Quarter
Sep 6
Full
Sep 13
Last Quarter