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Astronomy

Oct. 18, 2017 Rise Solar Noon Set
Actual Time 7:45 AM MDT 1:14 PM MDT 6:43 PM MDT
Civil Twilight 7:17 AM MDT   7:11 PM MDT
Nautical Twilight 6:45 AM MDT   7:43 PM MDT
Astronomical Twilight 6:13 AM MDT   8:15 PM MDT
Altitude -0.8° 38.8° -0.8°
Azimuth 102.4° 180.0° 257.4°
Hour Angle of the Sun 82.4° 82.3° -82.3°
Mean Anomaly of the Sun 284.00° 284.23° 284.45°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -156.49° -156.27° -156.06°
Sun Declination -9.81° -9.89° -9.98°
Moon 6:26 AM MDT   6:36 PM MDT
Length of Visible Light 11h 54m
Length of Day
10h 58m
Waning Crescent, 2% of the Moon is Illuminated
Oct 18
Waning Crescent
Oct 19
New
Oct 27
First Quarter
Nov 4
Full
Nov 10
Last Quarter