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Astronomy

Jan. 31, 2015 Rise Solar Noon Set
Actual Time 7:11 AM MST 12:12 PM MST 5:14 PM MST
Civil Twilight 6:42 AM MST   5:43 PM MST
Nautical Twilight 6:09 AM MST   6:16 PM MST
Astronomical Twilight 5:36 AM MST   6:49 PM MST
Altitude -0.8° 31.6° -0.8°
Azimuth 112.5° 180.0° 247.6°
Hour Angle of the Sun 75.4° 75.4° -75.5°
Mean Anomaly of the Sun 27.29° 27.50° 27.70°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -46.17° -45.95° -45.74°
Sun Declination -17.36° -17.30° -17.25°
Moon 2:42 PM MST   4:34 AM MST
Length of Visible Light 11h 01m
Length of Day
10h 03m
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