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Astronomy

Sep. 15, 2019 Rise Solar Noon Set
Actual Time 6:43 AM MDT 12:57 PM MDT 7:11 PM MDT
Civil Twilight 6:15 AM MDT   7:38 PM MDT
Nautical Twilight 5:43 AM MDT   8:10 PM MDT
Astronomical Twilight 5:10 AM MDT   8:43 PM MDT
Altitude -0.8° 52.7° -0.8°
Azimuth 85.3° 180.0° 274.4°
Hour Angle of the Sun 93.6° 93.6° -93.5°
Mean Anomaly of the Sun 250.92° 251.18° 251.44°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 173.01° 173.25° 173.48°
Sun Declination 3.02° 2.92° 2.82°
Moon 8:20 PM MDT   7:55 AM MDT
Length of Visible Light 13h 22m
Length of Day
12h 28m
Full, 99% of the Moon is Illuminated
Sep 15
Full
Sep 21
Last Quarter
Sep 28
New
Oct 5
First Quarter
Oct 13
Full