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Astronomy

Oct. 23, 2017 Rise Solar Noon Set
Actual Time 6:03 AM -03 12:43 PM -03 7:23 PM -03
Civil Twilight 5:36 AM -03   7:50 PM -03
Nautical Twilight 5:04 AM -03   8:22 PM -03
Astronomical Twilight 4:30 AM -03   8:56 PM -03
Altitude -0.8° 64.7° -0.8°
Azimuth 105.1° 0.0° 254.6°
Hour Angle of the Sun 99.9° 100.0° -100.0°
Mean Anomaly of the Sun 288.74° 289.01° 289.29°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -151.95° -151.68° -151.42°
Sun Declination -11.52° -11.62° -11.72°
Moon 8:40 AM -03   11:00 PM -03
Length of Visible Light 14h 13m
Length of Day
13h 19m
Waxing Crescent, 12% of the Moon is Illuminated
Oct 23
Waxing Crescent
Oct 27
First Quarter
Nov 4
Full
Nov 10
Last Quarter
Nov 18
New