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Astronomy

Jan. 31, 2015 Rise Solar Noon Set
Actual Time 7:47 AM MST 12:45 PM MST 5:43 PM MST
Civil Twilight 7:17 AM MST   6:13 PM MST
Nautical Twilight 6:43 AM MST   6:47 PM MST
Astronomical Twilight 6:10 AM MST   7:20 PM MST
Altitude -0.8° 29.9° -0.8°
Azimuth 113.1° 180.0° 247.0°
Hour Angle of the Sun 74.4° 74.5° -74.6°
Mean Anomaly of the Sun 27.32° 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 3:11 PM MST   5:12 AM MST
Length of Visible Light 10h 56m
Length of Day
9h 56m
Waxing Gibbous, 91% of the Moon is Illuminated
Jan 31
Waxing Gibbous
Feb 3
Full
Feb 11
Last Quarter
Feb 18
New
Feb 25
First Quarter