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Astronomy

Jan. 21, 2017 Rise Solar Noon Set
Actual Time 7:18 AM MST 12:12 PM MST 5:07 PM MST
Civil Twilight 6:48 AM MST   5:36 PM MST
Nautical Twilight 6:15 AM MST   6:10 PM MST
Astronomical Twilight 5:43 AM MST   6:42 PM MST
Altitude -0.8° 30.2° -0.8°
Azimuth 115.4° 180.0° 244.7°
Hour Angle of the Sun 73.6° 73.7° -73.7°
Mean Anomaly of the Sun 17.91° 18.12° 18.32°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -56.02° -55.80° -55.58°
Sun Declination -19.77° -19.72° -19.68°
Moon 1:44 AM MST (1/21)   12:34 PM MST (1/21)
Length of Visible Light 10h 48m
Length of Day
9h 49m
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