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Astronomy

Oct. 18, 2017 Rise Solar Noon Set
Actual Time 7:00 AM MDT 12:33 PM MDT 6:06 PM MDT
Civil Twilight 6:33 AM MDT   6:32 PM MDT
Nautical Twilight 6:03 AM MDT   7:03 PM MDT
Astronomical Twilight 5:32 AM MDT   7:34 PM MDT
Altitude -0.8° 42.0° -0.8°
Azimuth 101.8° 180.0° 258.0°
Hour Angle of the Sun 83.3° 83.2° -83.2°
Mean Anomaly of the Sun 283.97° 284.20° 284.43°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -156.51° -156.30° -156.08°
Sun Declination -9.80° -9.88° -9.97°
Moon 5:43 AM MDT   5:56 PM MDT
Length of Visible Light 11h 59m
Length of Day
11h 05m
Waning Crescent, 2% of the Moon is Illuminated
Oct 18
Waning Crescent
Oct 19
New
Oct 27
First Quarter
Nov 4
Full
Nov 10
Last Quarter