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Astronomy

Jul. 31, 2015 Rise Solar Noon Set
Actual Time 6:31 AM CDT 1:35 PM CDT 8:38 PM CDT
Civil Twilight 6:02 AM CDT   9:07 PM CDT
Nautical Twilight 5:26 AM CDT   9:43 PM CDT
Astronomical Twilight 4:47 AM CDT   10:21 PM CDT
Altitude -0.8° 70.5° -0.8°
Azimuth 65.9° 180.0° 293.9°
Hour Angle of the Sun 106.0° 105.9° -105.8°
Mean Anomaly of the Sun 205.58° 205.87° 206.16°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 130.38° 130.67° 130.95°
Sun Declination 18.27° 18.20° 18.13°
Moon 8:44 PM CDT (7/31)   6:47 AM CDT (7/31)
Length of Visible Light 15h 05m
Length of Day
14h 07m
Full, 99% of the Moon is Illuminated
Aug 1
Full
Aug 6
Last Quarter
Aug 14
New
Aug 22
First Quarter
Aug 29
Full