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Astronomy

Jan. 31, 2015 Rise Solar Noon Set
Actual Time 7:00 AM AST 12:16 PM AST 5:32 PM AST
Civil Twilight 6:34 AM AST   5:59 PM AST
Nautical Twilight 6:04 AM AST   6:28 PM AST
Astronomical Twilight 5:34 AM AST   6:58 PM AST
Altitude -0.8° 39.1° -0.8°
Azimuth 110.5° 180.0° 249.6°
Hour Angle of the Sun 79.0° 79.1° -79.1°
Mean Anomaly of the Sun 26.87° 27.09° 27.31°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -46.60° -46.38° -46.15°
Sun Declination -17.48° -17.42° -17.36°
Moon 2:41 PM AST (1/31)   4:00 AM AST (1/31)
Length of Visible Light 11h 25m
Length of Day
10h 32m
Waxing Gibbous, 86% of the Moon is Illuminated
Jan 30
Waxing Gibbous
Feb 3
Full
Feb 11
Last Quarter
Feb 18
New
Feb 25
First Quarter