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Astronomy

Oct. 17, 2017 Rise Solar Noon Set
Actual Time 7:47 AM MDT 1:10 PM MDT 6:32 PM MDT
Civil Twilight 7:16 AM MDT   7:03 PM MDT
Nautical Twilight 6:40 AM MDT   7:39 PM MDT
Astronomical Twilight 6:04 AM MDT   8:15 PM MDT
Altitude -0.8° 33.0° -0.8°
Azimuth 103.1° 180.0° 256.6°
Hour Angle of the Sun 80.8° 80.7° -80.6°
Mean Anomaly of the Sun 283.02° 283.24° 283.46°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -157.42° -157.21° -157.00°
Sun Declination -9.45° -9.53° -9.61°
Moon 5:14 AM MDT (10/17)   6:03 PM MDT (10/17)
Length of Visible Light 11h 47m
Length of Day
10h 45m
Waning Crescent, 3% of the Moon is Illuminated
Oct 17
Waning Crescent
Oct 19
New
Oct 27
First Quarter
Nov 4
Full
Nov 10
Last Quarter