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Astronomy

Oct. 17, 2017 Rise Solar Noon Set
Actual Time 7:44 AM MDT 1:15 PM MDT 6:45 PM MDT
Civil Twilight 7:16 AM MDT   7:13 PM MDT
Nautical Twilight 6:44 AM MDT   7:45 PM MDT
Astronomical Twilight 6:12 AM MDT   8:17 PM MDT
Altitude -0.8° 39.2° -0.8°
Azimuth 101.9° 180.0° 257.9°
Hour Angle of the Sun 82.7° 82.7° -82.6°
Mean Anomaly of the Sun 283.02° 283.24° 283.47°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -157.42° -157.21° -156.99°
Sun Declination -9.45° -9.53° -9.62°
Moon 5:23 AM MDT (10/17)   6:06 PM MDT (10/17)
Length of Visible Light 11h 57m
Length of Day
11h 01m
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