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Astronomy

Oct. 17, 2017 Rise Solar Noon Set
Actual Time 7:10 AM MDT 12:50 PM MDT 6:30 PM MDT
Civil Twilight 6:45 AM MDT   6:55 PM MDT
Nautical Twilight 6:17 AM MDT   7:23 PM MDT
Astronomical Twilight 5:48 AM MDT   7:51 PM MDT
Altitude -0.8° 48.7° -0.8°
Azimuth 100.6° 180.0° 259.2°
Hour Angle of the Sun 85.1° 85.0° -85.0°
Mean Anomaly of the Sun 282.99° 283.23° 283.46°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -157.45° -157.22° -157.00°
Sun Declination -9.44° -9.53° -9.61°
Moon 5:02 AM MDT   5:39 PM MDT
Length of Visible Light 12h 09m
Length of Day
11h 20m
Waning Crescent, 4% of the Moon is Illuminated
Oct 17
Waning Crescent
Oct 19
New
Oct 27
First Quarter
Nov 4
Full
Nov 10
Last Quarter