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Astronomy

Aug. 19, 2017 Rise Solar Noon Set
Actual Time 7:36 AM -03 1:02 PM -03 6:28 PM -03
Civil Twilight 7:10 AM -03   6:54 PM -03
Nautical Twilight 6:39 AM -03   7:25 PM -03
Astronomical Twilight 6:09 AM -03   7:55 PM -03
Altitude -0.8° 40.5° -0.8°
Azimuth 74.8° 360.0° 285.0°
Hour Angle of the Sun 81.4° 81.4° -81.5°
Mean Anomaly of the Sun 224.74° 224.96° 225.18°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 148.87° 149.08° 149.29°
Sun Declination 12.63° 12.56° 12.48°
Moon 5:50 AM -03   4:18 PM -03
Length of Visible Light 11h 44m
Length of Day
10h 51m
Waning Crescent, 8% of the Moon is Illuminated
Aug 19
Waning Crescent
Aug 21
New
Aug 29
First Quarter
Sep 6
Full
Sep 13
Last Quarter