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Astronomy

Aug. 19, 2017 Rise Solar Noon Set
Actual Time 6:15 AM MDT 1:11 PM MDT 8:06 PM MDT
Civil Twilight 5:43 AM MDT   8:37 PM MDT
Nautical Twilight 5:05 AM MDT   9:16 PM MDT
Astronomical Twilight 4:23 AM MDT   9:57 PM MDT
Altitude -0.8° 57.8° -0.8°
Azimuth 71.2° 180.0° 288.5°
Hour Angle of the Sun 104.1° 103.9° -103.8°
Mean Anomaly of the Sun 224.81° 225.09° 225.37°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 148.93° 149.20° 149.47°
Sun Declination 12.61° 12.51° 12.42°
Moon 3:44 AM MDT   6:49 PM MDT
Length of Visible Light 14h 54m
Length of Day
13h 51m
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