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Astronomy

Jan. 31, 2015 Rise Solar Noon Set
Actual Time 7:12 AM EST 12:39 PM EST 6:06 PM EST
Civil Twilight 6:48 AM EST   6:30 PM EST
Nautical Twilight 6:20 AM EST   6:58 PM EST
Astronomical Twilight 5:52 AM EST   7:26 PM EST
Altitude -0.8° 45.2° -0.8°
Azimuth 109.2° 180.0° 250.9°
Hour Angle of the Sun 81.6° 81.6° -81.7°
Mean Anomaly of the Sun 27.21° 27.43° 27.66°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -46.25° -46.02° -45.79°
Sun Declination -17.39° -17.32° -17.26°
Moon 3:33 PM EST (1/31)   4:29 AM EST (1/31)
Length of Visible Light 11h 42m
Length of Day
10h 53m
Waxing Gibbous, 93% of the Moon is Illuminated
Jan 31
Waxing Gibbous
Feb 3
Full
Feb 11
Last Quarter
Feb 18
New
Feb 25
First Quarter