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Astronomy

Aug. 19, 2017 Rise Solar Noon Set
Actual Time 6:41 AM MDT 1:40 PM MDT 8:38 PM MDT
Civil Twilight 6:08 AM MDT   9:10 PM MDT
Nautical Twilight 5:28 AM MDT   9:50 PM MDT
Astronomical Twilight 4:45 AM MDT   10:33 PM MDT
Altitude -0.8° 56.3° -0.8°
Azimuth 70.7° 180.0° 289.0°
Hour Angle of the Sun 104.8° 104.7° -104.6°
Mean Anomaly of the Sun 224.82° 225.11° 225.40°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 148.95° 149.22° 149.49°
Sun Declination 12.60° 12.51° 12.41°
Moon 4:10 AM MDT   7:23 PM MDT
Length of Visible Light 15h 01m
Length of Day
13h 57m
Waning Crescent, 7% of the Moon is Illuminated
Aug 19
Waning Crescent
Aug 21
New
Aug 29
First Quarter
Sep 6
Full
Sep 13
Last Quarter