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Astronomy

Aug. 19, 2017 Rise Solar Noon Set
Actual Time 6:12 AM MDT 1:04 PM MDT 7:56 PM MDT
Civil Twilight 5:42 AM MDT   8:26 PM MDT
Nautical Twilight 5:05 AM MDT   9:03 PM MDT
Astronomical Twilight 4:26 AM MDT   9:42 PM MDT
Altitude -0.8° 59.8° -0.8°
Azimuth 71.9° 180.0° 287.8°
Hour Angle of the Sun 103.1° 103.0° -102.9°
Mean Anomaly of the Sun 224.80° 225.09° 225.37°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 148.93° 149.19° 149.46°
Sun Declination 12.61° 12.52° 12.42°
Moon 3:43 AM MDT   6:37 PM MDT
Length of Visible Light 14h 44m
Length of Day
13h 44m
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