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Astronomy

Oct. 23, 2017 Rise Solar Noon Set
Actual Time 7:45 AM MDT 1:11 PM MDT 6:36 PM MDT
Civil Twilight 7:18 AM MDT   7:04 PM MDT
Nautical Twilight 6:46 AM MDT   7:35 PM MDT
Astronomical Twilight 6:15 AM MDT   8:06 PM MDT
Altitude -0.8° 39.2° -0.8°
Azimuth 104.3° 180.0° 255.5°
Hour Angle of the Sun 81.5° 81.4° -81.4°
Mean Anomaly of the Sun 288.93° 289.15° 289.38°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -151.76° -151.54° -151.33°
Sun Declination -11.59° -11.67° -11.75°
Moon 11:15 AM MDT (10/23)   9:29 PM MDT (10/23)
Length of Visible Light 11h 46m
Length of Day
10h 51m
Waxing Crescent, 17% of the Moon is Illuminated
Oct 23
Waxing Crescent
Oct 27
First Quarter
Nov 4
Full
Nov 10
Last Quarter
Nov 18
New