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Astronomy

Jan. 31, 2015 Rise Solar Noon Set
Actual Time 7:05 AM MST 12:05 PM MST 5:04 PM MST
Civil Twilight 6:36 AM MST   5:34 PM MST
Nautical Twilight 6:02 AM MST   6:08 PM MST
Astronomical Twilight 5:29 AM MST   6:40 PM MST
Altitude -0.8° 30.6° -0.8°
Azimuth 112.9° 180.0° 247.3°
Hour Angle of the Sun 74.8° 74.9° -74.9°
Mean Anomaly of the Sun 27.29° 27.49° 27.70°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -46.17° -45.96° -45.74°
Sun Declination -17.36° -17.31° -17.25°
Moon 2:31 PM MST   4:29 AM MST
Length of Visible Light 10h 58m
Length of Day
9h 58m
Waxing Gibbous, 90% of the Moon is Illuminated
Jan 31
Waxing Gibbous
Feb 3
Full
Feb 11
Last Quarter
Feb 18
New
Feb 25
First Quarter