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Astronomy

Aug. 17, 2017 Rise Solar Noon Set
Actual Time 6:29 AM MDT 1:25 PM MDT 8:20 PM MDT
Civil Twilight 5:59 AM MDT   8:50 PM MDT
Nautical Twilight 5:21 AM MDT   9:27 PM MDT
Astronomical Twilight 4:41 AM MDT   10:07 PM MDT
Altitude -0.8° 60.1° -0.8°
Azimuth 70.9° 180.0° 288.9°
Hour Angle of the Sun 103.9° 103.8° -103.7°
Mean Anomaly of the Sun 222.84° 223.13° 223.41°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 147.08° 147.35° 147.62°
Sun Declination 13.25° 13.16° 13.07°
Moon 2:03 AM MDT   5:08 PM MDT
Length of Visible Light 14h 51m
Length of Day
13h 50m
Waning Crescent, 21% of the Moon is Illuminated
Aug 17
Waning Crescent
Aug 21
New
Aug 29
First Quarter
Sep 6
Full
Sep 13
Last Quarter