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Astronomy

Sep. 15, 2019 Rise Solar Noon Set
Actual Time 7:09 AM MDT 1:26 PM MDT 7:43 PM MDT
Civil Twilight 6:39 AM MDT   8:13 PM MDT
Nautical Twilight 6:03 AM MDT   8:49 PM MDT
Astronomical Twilight 5:26 AM MDT   9:26 PM MDT
Altitude -0.8° 46.8° -0.8°
Azimuth 84.8° 180.0° 274.9°
Hour Angle of the Sun 94.3° 94.2° -94.1°
Mean Anomaly of the Sun 250.94° 251.20° 251.46°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 173.03° 173.27° 173.50°
Sun Declination 3.01° 2.91° 2.81°
Moon 8:49 PM MDT   8:25 AM MDT
Length of Visible Light 13h 33m
Length of Day
12h 33m
Full, 98% of the Moon is Illuminated
Sep 15
Full
Sep 21
Last Quarter
Sep 28
New
Oct 5
First Quarter
Oct 13
Full