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Astronomy

Oct. 17, 2017 Rise Solar Noon Set
Actual Time 7:20 AM MDT 12:47 PM MDT 6:14 PM MDT
Civil Twilight 6:50 AM MDT   6:43 PM MDT
Nautical Twilight 6:17 AM MDT   7:17 PM MDT
Astronomical Twilight 5:43 AM MDT   7:50 PM MDT
Altitude -0.8° 36.1° -0.8°
Azimuth 102.4° 180.0° 257.3°
Hour Angle of the Sun 81.8° 81.8° -81.7°
Mean Anomaly of the Sun 283.00° 283.22° 283.45°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -157.44° -157.23° -157.01°
Sun Declination -9.44° -9.52° -9.61°
Moon 4:52 AM MDT   5:39 PM MDT
Length of Visible Light 11h 52m
Length of Day
10h 53m
Waning Crescent, 6% of the Moon is Illuminated
Oct 17
Waning Crescent
Oct 19
New
Oct 27
First Quarter
Nov 4
Full
Nov 10
Last Quarter