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Astronomy

Aug. 17, 2017 Rise Solar Noon Set
Actual Time 6:28 AM MDT 1:17 PM MDT 8:05 PM MDT
Civil Twilight 6:00 AM MDT   8:33 PM MDT
Nautical Twilight 5:25 AM MDT   9:07 PM MDT
Astronomical Twilight 4:49 AM MDT   9:43 PM MDT
Altitude -0.8° 64.0° -0.8°
Azimuth 72.1° 180.0° 287.7°
Hour Angle of the Sun 102.2° 102.1° -102.0°
Mean Anomaly of the Sun 222.84° 223.12° 223.40°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 147.08° 147.35° 147.61°
Sun Declination 13.26° 13.16° 13.07°
Moon 2:05 AM MDT   4:49 PM MDT
Length of Visible Light 14h 33m
Length of Day
13h 36m
Waning Crescent, 21% of the Moon is Illuminated
Aug 17
Waning Crescent
Aug 21
New
Aug 29
First Quarter
Sep 6
Full
Sep 13
Last Quarter