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Astronomy

Aug. 18, 2017 Rise Solar Noon Set
Actual Time 6:15 AM MDT 1:13 PM MDT 8:10 PM MDT
Civil Twilight 5:44 AM MDT   8:41 PM MDT
Nautical Twilight 5:05 AM MDT   9:19 PM MDT
Astronomical Twilight 4:23 AM MDT   10:01 PM MDT
Altitude -0.8° 58.1° -0.8°
Azimuth 70.8° 180.0° 289.0°
Hour Angle of the Sun 104.4° 104.3° -104.2°
Mean Anomaly of the Sun 223.82° 224.11° 224.39°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 148.00° 148.27° 148.54°
Sun Declination 12.94° 12.84° 12.75°
Moon 2:43 AM MDT   5:59 PM MDT
Length of Visible Light 14h 56m
Length of Day
13h 54m
Waning Crescent, 15% of the Moon is Illuminated
Aug 18
Waning Crescent
Aug 21
New
Aug 29
First Quarter
Sep 6
Full
Sep 13
Last Quarter