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Astronomy

Jan. 31, 2015 Rise Solar Noon Set
Actual Time 8:02 AM MST 12:58 PM MST 5:55 PM MST
Civil Twilight 7:32 AM MST   6:25 PM MST
Nautical Twilight 6:57 AM MST   6:59 PM MST
Astronomical Twilight 6:24 AM MST   7:33 PM MST
Altitude -0.8° 29.2° -0.8°
Azimuth 113.4° 180.0° 246.7°
Hour Angle of the Sun 74.0° 74.0° -74.1°
Mean Anomaly of the Sun 27.33° 27.53° 27.73°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -46.13° -45.92° -45.71°
Sun Declination -17.35° -17.30° -17.24°
Moon 3:23 PM MST (1/31)   5:28 AM MST (1/31)
Length of Visible Light 10h 53m
Length of Day
9h 52m
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