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Astronomy

Aug. 19, 2017 Rise Solar Noon Set
Actual Time 6:41 AM MDT 1:27 PM MDT 8:13 PM MDT
Civil Twilight 6:12 AM MDT   8:41 PM MDT
Nautical Twilight 5:38 AM MDT   9:15 PM MDT
Astronomical Twilight 5:02 AM MDT   9:51 PM MDT
Altitude -0.8° 63.3° -0.8°
Azimuth 72.9° 180.0° 286.8°
Hour Angle of the Sun 101.6° 101.6° -101.5°
Mean Anomaly of the Sun 224.82° 225.10° 225.38°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 148.95° 149.21° 149.47°
Sun Declination 12.60° 12.51° 12.42°
Moon 4:16 AM MDT   6:52 PM MDT
Length of Visible Light 14h 28m
Length of Day
13h 32m
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