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Astronomy

Jan. 31, 2015 Rise Solar Noon Set
Actual Time 7:10 AM MST 12:05 PM MST 5:00 PM MST
Civil Twilight 6:39 AM MST   5:31 PM MST
Nautical Twilight 6:05 AM MST   6:06 PM MST
Astronomical Twilight 5:31 AM MST   6:39 PM MST
Altitude -0.8° 28.7° -0.8°
Azimuth 113.6° 180.0° 246.5°
Hour Angle of the Sun 73.7° 73.8° -73.8°
Mean Anomaly of the Sun 27.29° 27.49° 27.69°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -46.17° -45.96° -45.75°
Sun Declination -17.36° -17.31° -17.25°
Moon 2:26 PM MST (1/31)   4:34 AM MST (1/31)
Length of Visible Light 10h 51m
Length of Day
9h 50m
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