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Astronomy

Aug. 17, 2017 Rise Solar Noon Set
Actual Time 6:33 AM MDT 1:39 PM MDT 8:45 PM MDT
Civil Twilight 5:59 AM MDT   9:18 PM MDT
Nautical Twilight 5:17 AM MDT   10:01 PM MDT
Astronomical Twilight 4:29 AM MDT   10:48 PM MDT
Altitude -0.8° 55.0° -0.8°
Azimuth 68.9° 180.0° 290.8°
Hour Angle of the Sun 106.6° 106.5° -106.4°
Mean Anomaly of the Sun 222.85° 223.14° 223.43°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 147.08° 147.36° 147.64°
Sun Declination 13.25° 13.16° 13.06°
Moon 2:03 AM MDT   5:39 PM MDT
Length of Visible Light 15h 19m
Length of Day
14h 11m
Waning Crescent, 25% of the Moon is Illuminated
Aug 17
Waning Crescent
Aug 21
New
Aug 29
First Quarter
Sep 6
Full
Sep 13
Last Quarter