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Astronomy

Jan. 31, 2015 Rise Solar Noon Set
Actual Time 7:45 AM MST 12:40 PM MST 5:37 PM MST
Civil Twilight 7:14 AM MST   6:07 PM MST
Nautical Twilight 6:40 AM MST   6:42 PM MST
Astronomical Twilight 6:06 AM MST   7:15 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 27.31° 27.52° 27.72°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -46.14° -45.93° -45.72°
Sun Declination -17.36° -17.30° -17.24°
Moon 3:04 PM MST (1/31)   5:10 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