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Astronomy

Jan. 31, 2015 Rise Solar Noon Set
Actual Time 6:51 AM MST 12:10 PM MST 5:29 PM MST
Civil Twilight 6:26 AM MST   5:55 PM MST
Nautical Twilight 5:56 AM MST   6:24 PM MST
Astronomical Twilight 5:27 AM MST   6:53 PM MST
Altitude -0.8° 40.3° -0.8°
Azimuth 110.1° 180.0° 250.0°
Hour Angle of the Sun 79.6° 79.6° -79.7°
Mean Anomaly of the Sun 27.28° 27.50° 27.71°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -46.18° -45.95° -45.73°
Sun Declination -17.37° -17.31° -17.24°
Moon 2:58 PM MST   4:12 AM MST
Length of Visible Light 11h 28m
Length of Day
10h 37m
Waxing Gibbous, 91% of the Moon is Illuminated
Jan 31
Waxing Gibbous
Feb 3
Full
Feb 11
Last Quarter
Feb 18
New
Feb 25
First Quarter