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Astronomy

Aug. 17, 2017 Rise Solar Noon Set
Actual Time 6:33 AM MDT 1:35 PM MDT 8:36 PM MDT
Civil Twilight 6:00 AM MDT   9:08 PM MDT
Nautical Twilight 5:20 AM MDT   9:48 PM MDT
Astronomical Twilight 4:36 AM MDT   10:32 PM MDT
Altitude -0.8° 57.0° -0.8°
Azimuth 69.8° 180.0° 290.0°
Hour Angle of the Sun 105.5° 105.4° -105.3°
Mean Anomaly of the Sun 222.85° 223.14° 223.42°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 147.08° 147.36° 147.63°
Sun Declination 13.25° 13.16° 13.07°
Moon 2:04 AM MDT   5:27 PM MDT
Length of Visible Light 15h 07m
Length of Day
14h 02m
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