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Astronomy

Oct. 17, 2017 Rise Solar Noon Set
Actual Time 7:39 AM MDT 1:13 PM MDT 6:48 PM MDT
Civil Twilight 7:12 AM MDT   7:14 PM MDT
Nautical Twilight 6:42 AM MDT   7:44 PM MDT
Astronomical Twilight 6:11 AM MDT   8:15 PM MDT
Altitude -0.8° 42.8° -0.8°
Azimuth 101.3° 180.0° 258.5°
Hour Angle of the Sun 83.7° 83.6° -83.6°
Mean Anomaly of the Sun 283.01° 283.24° 283.47°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -157.43° -157.21° -156.99°
Sun Declination -9.45° -9.53° -9.62°
Moon 5:23 AM MDT   6:04 PM MDT
Length of Visible Light 12h 01m
Length of Day
11h 08m
Waning Crescent, 6% of the Moon is Illuminated
Oct 17
Waning Crescent
Oct 19
New
Oct 27
First Quarter
Nov 4
Full
Nov 10
Last Quarter