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Astronomy

Sep. 15, 2019 Rise Solar Noon Set
Actual Time 6:45 AM MDT 1:01 PM MDT 7:17 PM MDT
Civil Twilight 6:16 AM MDT   7:45 PM MDT
Nautical Twilight 5:42 AM MDT   8:19 PM MDT
Astronomical Twilight 5:07 AM MDT   8:55 PM MDT
Altitude -0.8° 49.2° -0.8°
Azimuth 85.0° 180.0° 274.7°
Hour Angle of the Sun 94.0° 93.9° -93.9°
Mean Anomaly of the Sun 250.93° 251.18° 251.44°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 173.02° 173.25° 173.48°
Sun Declination 3.02° 2.92° 2.82°
Moon 8:24 PM MDT   7:59 AM MDT
Length of Visible Light 13h 29m
Length of Day
12h 31m
Full, 99% of the Moon is Illuminated
Sep 15
Full
Sep 21
Last Quarter
Sep 28
New
Oct 5
First Quarter
Oct 13
Full