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Astronomy

Sep. 23, 2017 Rise Solar Noon Set
Actual Time 6:42 AM -03 12:46 PM -03 6:51 PM -03
Civil Twilight 6:16 AM -03   7:16 PM -03
Nautical Twilight 5:47 AM -03   7:46 PM -03
Astronomical Twilight 5:17 AM -03   8:16 PM -03
Altitude -0.8° 55.7° -0.8°
Azimuth 90.8° 0.0° 268.9°
Hour Angle of the Sun 91.2° 91.2° -91.3°
Mean Anomaly of the Sun 259.20° 259.45° 259.70°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -179.49° -179.26° -179.03°
Sun Declination -0.22° -0.32° -0.42°
Moon 8:52 AM -03 (9/23)   10:17 PM -03 (9/23)
Length of Visible Light 12h 59m
Length of Day
12h 09m
Waxing Crescent, 15% of the Moon is Illuminated
Sep 23
Waxing Crescent
Sep 27
First Quarter
Oct 5
Full
Oct 12
Last Quarter
Oct 19
New