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Astronomy

Sep. 15, 2019 Rise Solar Noon Set
Actual Time 6:32 AM MDT 12:45 PM MDT 6:58 PM MDT
Civil Twilight 6:05 AM MDT   7:25 PM MDT
Nautical Twilight 5:34 AM MDT   7:56 PM MDT
Astronomical Twilight 5:02 AM MDT   8:27 PM MDT
Altitude -0.8° 54.8° -0.8°
Azimuth 85.5° 180.0° 274.2°
Hour Angle of the Sun 93.4° 93.4° -93.3°
Mean Anomaly of the Sun 250.92° 251.17° 251.43°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 173.01° 173.24° 173.47°
Sun Declination 3.02° 2.92° 2.82°
Moon 8:08 PM MDT (9/15)   7:43 AM MDT (9/15)
Length of Visible Light 13h 19m
Length of Day
12h 26m
Full, 97% of the Moon is Illuminated
Sep 15
Full
Sep 21
Last Quarter
Sep 28
New
Oct 5
First Quarter
Oct 13
Full