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Astronomy

Oct. 18, 2017 Rise Solar Noon Set
Actual Time 7:48 AM MDT 1:10 PM MDT 6:31 PM MDT
Civil Twilight 7:17 AM MDT   7:02 PM MDT
Nautical Twilight 6:42 AM MDT   7:38 PM MDT
Astronomical Twilight 6:06 AM MDT   8:13 PM MDT
Altitude -0.8° 32.6° -0.8°
Azimuth 103.7° 180.0° 256.1°
Hour Angle of the Sun 80.4° 80.3° -80.2°
Mean Anomaly of the Sun 284.01° 284.23° 284.45°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -156.48° -156.27° -156.06°
Sun Declination -9.81° -9.89° -9.97°
Moon 6:22 AM MDT   6:30 PM MDT
Length of Visible Light 11h 44m
Length of Day
10h 42m
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