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Astronomy

Jan. 31, 2015 Rise Solar Noon Set
Actual Time 7:25 AM EST 12:35 PM EST 5:45 PM EST
Civil Twilight 6:58 AM EST   6:12 PM EST
Nautical Twilight 6:26 AM EST   6:43 PM EST
Astronomical Twilight 5:56 AM EST   7:14 PM EST
Altitude -0.8° 35.4° -0.8°
Azimuth 111.4° 180.0° 248.8°
Hour Angle of the Sun 77.4° 77.4° -77.5°
Mean Anomaly of the Sun 27.22° 27.43° 27.64°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -46.24° -46.02° -45.80°
Sun Declination -17.38° -17.32° -17.26°
Moon 3:09 PM EST (1/31)   4:44 AM EST (1/31)
Length of Visible Light 11h 14m
Length of Day
10h 19m
Waxing Gibbous, 92% of the Moon is Illuminated
Jan 31
Waxing Gibbous
Feb 3
Full
Feb 11
Last Quarter
Feb 18
New
Feb 25
First Quarter