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Astronomy

Sep. 15, 2019 Rise Solar Noon Set
Actual Time 6:56 AM MDT 1:10 PM MDT 7:23 PM MDT
Civil Twilight 6:29 AM MDT   7:50 PM MDT
Nautical Twilight 5:57 AM MDT   8:22 PM MDT
Astronomical Twilight 5:25 AM MDT   8:54 PM MDT
Altitude -0.8° 53.7° -0.8°
Azimuth 85.4° 180.0° 274.3°
Hour Angle of the Sun 93.5° 93.5° -93.4°
Mean Anomaly of the Sun 250.93° 251.19° 251.44°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 173.02° 173.26° 173.49°
Sun Declination 3.01° 2.91° 2.81°
Moon 8:33 PM MDT (9/15)   8:09 AM MDT (9/15)
Length of Visible Light 13h 21m
Length of Day
12h 27m
Waning Gibbous, 96% of the Moon is Illuminated
Sep 16
Waning Gibbous
Sep 21
Last Quarter
Sep 28
New
Oct 5
First Quarter
Oct 13
Full