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Astronomy

Jan. 21, 2017 Rise Solar Noon Set
Actual Time 7:45 AM MST 12:39 PM MST 5:33 PM MST
Civil Twilight 7:16 AM MST   6:02 PM MST
Nautical Twilight 6:42 AM MST   6:36 PM MST
Astronomical Twilight 6:10 AM MST   7:08 PM MST
Altitude -0.8° 29.8° -0.8°
Azimuth 115.6° 180.0° 244.5°
Hour Angle of the Sun 73.4° 73.4° -73.5°
Mean Anomaly of the Sun 17.93° 18.13° 18.33°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -56.00° -55.78° -55.57°
Sun Declination -19.77° -19.72° -19.67°
Moon 2:12 AM MST (1/21)   1:00 PM MST (1/21)
Length of Visible Light 10h 46m
Length of Day
9h 47m
Waning Crescent, 29% of the Moon is Illuminated
Jan 21
Waning Crescent
Jan 27
New
Feb 3
First Quarter
Feb 10
Full
Feb 18
Last Quarter