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Astronomy

Jan. 31, 2015 Rise Solar Noon Set
Actual Time 7:12 AM PST 12:21 PM PST 5:31 PM PST
Civil Twilight 6:45 AM PST   5:59 PM PST
Nautical Twilight 6:13 AM PST   6:30 PM PST
Astronomical Twilight 5:43 AM PST   7:01 PM PST
Altitude -0.8° 35.2° -0.8°
Azimuth 111.4° 180.0° 248.8°
Hour Angle of the Sun 77.3° 77.3° -77.4°
Mean Anomaly of the Sun 27.33° 27.54° 27.76°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -46.12° -45.90° -45.68°
Sun Declination -17.35° -17.29° -17.23°
Moon 3:02 PM PST (1/31)   4:37 AM PST (1/31)
Length of Visible Light 11h 13m
Length of Day
10h 18m
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