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Astronomy

Jan. 31, 2015 Rise Solar Noon Set
Actual Time 8:05 AM MST 1:03 PM MST 6:01 PM MST
Civil Twilight 7:35 AM MST   6:31 PM MST
Nautical Twilight 7:01 AM MST   7:05 PM MST
Astronomical Twilight 6:28 AM MST   7:38 PM MST
Altitude -0.8° 29.8° -0.8°
Azimuth 113.2° 180.0° 247.0°
Hour Angle of the Sun 74.4° 74.4° -74.5°
Mean Anomaly of the Sun 27.33° 27.53° 27.74°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -46.13° -45.92° -45.70°
Sun Declination -17.35° -17.29° -17.24°
Moon 3:29 PM MST (1/31)   5:31 AM MST (1/31)
Length of Visible Light 10h 55m
Length of Day
9h 55m
Waxing Gibbous, 93% of the Moon is Illuminated
Jan 31
Waxing Gibbous
Feb 3
Full
Feb 11
Last Quarter
Feb 18
New
Feb 25
First Quarter