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Astronomy

Oct. 18, 2017 Rise Solar Noon Set
Actual Time 7:31 AM MDT 12:59 PM MDT 6:26 PM MDT
Civil Twilight 7:03 AM MDT   6:55 PM MDT
Nautical Twilight 6:30 AM MDT   7:28 PM MDT
Astronomical Twilight 5:57 AM MDT   8:00 PM MDT
Altitude -0.8° 37.3° -0.8°
Azimuth 102.6° 180.0° 257.1°
Hour Angle of the Sun 82.0° 81.9° -81.8°
Mean Anomaly of the Sun 283.99° 284.22° 284.44°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -156.49° -156.28° -156.07°
Sun Declination -9.81° -9.89° -9.97°
Moon 6:10 AM MDT   6:20 PM MDT
Length of Visible Light 11h 52m
Length of Day
10h 54m
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