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Astronomy

Oct. 17, 2017 Rise Solar Noon Set
Actual Time 7:11 AM MDT 12:44 PM MDT 6:16 PM MDT
Civil Twilight 6:44 AM MDT   6:43 PM MDT
Nautical Twilight 6:12 AM MDT   7:14 PM MDT
Astronomical Twilight 5:41 AM MDT   7:45 PM MDT
Altitude -0.8° 40.8° -0.8°
Azimuth 101.6° 180.0° 258.2°
Hour Angle of the Sun 83.2° 83.1° -83.0°
Mean Anomaly of the Sun 282.99° 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 4:51 AM MDT   5:34 PM MDT
Length of Visible Light 11h 59m
Length of Day
11h 04m
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