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Astronomy

Oct. 18, 2017 Rise Solar Noon Set
Actual Time 7:28 AM MDT 12:53 PM MDT 6:18 PM MDT
Civil Twilight 6:59 AM MDT   6:48 PM MDT
Nautical Twilight 6:25 AM MDT   7:22 PM MDT
Astronomical Twilight 5:51 AM MDT   7:55 PM MDT
Altitude -0.8° 35.3° -0.8°
Azimuth 103.0° 180.0° 256.7°
Hour Angle of the Sun 81.3° 81.2° -81.1°
Mean Anomaly of the Sun 283.99° 284.21° 284.44°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -156.50° -156.28° -156.07°
Sun Declination -9.81° -9.89° -9.97°
Moon 6:05 AM MDT (10/18)   6:14 PM MDT (10/18)
Length of Visible Light 11h 49m
Length of Day
10h 49m
Waning Crescent, 1% of the Moon is Illuminated
Oct 18
Waning Crescent
Oct 19
New
Oct 27
First Quarter
Nov 4
Full
Nov 10
Last Quarter