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Astronomy

Jan. 31, 2015 Rise Solar Noon Set
Actual Time 7:35 AM MST 12:25 PM MST 5:15 PM MST
Civil Twilight 7:03 AM MST   5:47 PM MST
Nautical Twilight 6:27 AM MST   6:23 PM MST
Astronomical Twilight 5:52 AM MST   6:58 PM MST
Altitude -0.8° 26.7° -0.8°
Azimuth 114.5° 180.0° 245.7°
Hour Angle of the Sun 72.5° 72.5° -72.6°
Mean Anomaly of the Sun 27.31° 27.51° 27.70°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -46.15° -45.94° -45.74°
Sun Declination -17.36° -17.30° -17.25°
Moon 2:41 PM MST (1/31)   5:01 AM MST (1/31)
Length of Visible Light 10h 44m
Length of Day
9h 40m
Waxing Gibbous, 92% of the Moon is Illuminated
Jan 31
Waxing Gibbous
Feb 3
Full
Feb 11
Last Quarter
Feb 18
New
Feb 25
First Quarter