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Astronomy

Aug. 19, 2017 Rise Solar Noon Set
Actual Time 6:46 AM MDT 1:13 PM MDT 7:40 PM MDT
Civil Twilight 6:22 AM MDT   8:04 PM MDT
Nautical Twilight 5:54 AM MDT   8:31 PM MDT
Astronomical Twilight 5:25 AM MDT   9:00 PM MDT
Altitude -0.8° 77.7° -0.8°
Azimuth 75.7° 180.0° 284.1°
Hour Angle of the Sun 96.9° 96.8° -96.8°
Mean Anomaly of the Sun 224.83° 225.09° 225.36°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 148.95° 149.20° 149.45°
Sun Declination 12.60° 12.51° 12.43°
Moon 4:30 AM MDT   6:10 PM MDT
Length of Visible Light 13h 41m
Length of Day
12h 54m
Waning Crescent, 5% of the Moon is Illuminated
Aug 19
Waning Crescent
Aug 21
New
Aug 29
First Quarter
Sep 6
Full
Sep 13
Last Quarter