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Astronomy

Aug. 18, 2017 Rise Solar Noon Set
Actual Time 6:23 AM MDT 1:00 PM MDT 7:37 PM MDT
Civil Twilight 5:57 AM MDT   8:03 PM MDT
Nautical Twilight 5:27 AM MDT   8:33 PM MDT
Astronomical Twilight 4:55 AM MDT   9:05 PM MDT
Altitude -0.8° 70.5° -0.8°
Azimuth 74.1° 180.0° 285.7°
Hour Angle of the Sun 99.4° 99.3° -99.3°
Mean Anomaly of the Sun 223.83° 224.10° 224.37°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 148.01° 148.26° 148.52°
Sun Declination 12.93° 12.84° 12.75°
Moon 3:01 AM MDT   5:16 PM MDT
Length of Visible Light 14h 05m
Length of Day
13h 14m
Waning Crescent, 14% of the Moon is Illuminated
Aug 18
Waning Crescent
Aug 21
New
Aug 29
First Quarter
Sep 6
Full
Sep 13
Last Quarter