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Astronomy

Jan. 31, 2015 Rise Solar Noon Set
Actual Time 8:06 AM MST 1:01 PM MST 5:57 PM MST
Civil Twilight 7:35 AM MST   6:28 PM MST
Nautical Twilight 7:01 AM MST   7:02 PM MST
Astronomical Twilight 6:27 AM MST   7:36 PM MST
Altitude -0.8° 29.0° -0.8°
Azimuth 113.5° 180.0° 246.7°
Hour Angle of the Sun 73.9° 74.0° -74.0°
Mean Anomaly of the Sun 27.33° 27.53° 27.73°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -46.13° -45.92° -45.71°
Sun Declination -17.35° -17.30° -17.24°
Moon 3:26 PM MST (1/31)   5:32 AM MST (1/31)
Length of Visible Light 10h 52m
Length of Day
9h 51m
Waxing Gibbous, 93% of the Moon is Illuminated
Feb 1
Waxing Gibbous
Feb 3
Full
Feb 11
Last Quarter
Feb 18
New
Feb 25
First Quarter