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Astronomy

Oct. 17, 2017 Rise Solar Noon Set
Actual Time 7:08 AM MDT 12:41 PM MDT 6:15 PM MDT
Civil Twilight 6:41 AM MDT   6:42 PM MDT
Nautical Twilight 6:10 AM MDT   7:12 PM MDT
Astronomical Twilight 5:39 AM MDT   7:43 PM MDT
Altitude -0.8° 42.0° -0.8°
Azimuth 101.4° 180.0° 258.4°
Hour Angle of the Sun 83.5° 83.4° -83.4°
Mean Anomaly of the Sun 282.99° 283.22° 283.45°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -157.45° -157.23° -157.01°
Sun Declination -9.44° -9.52° -9.61°
Moon 4:50 AM MDT   5:32 PM MDT
Length of Visible Light 12h 00m
Length of Day
11h 07m
Waning Crescent, 5% of the Moon is Illuminated
Oct 17
Waning Crescent
Oct 19
New
Oct 27
First Quarter
Nov 4
Full
Nov 10
Last Quarter