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Astronomy

Jan. 31, 2015 Rise Solar Noon Set
Actual Time 7:27 AM PST 12:16 PM PST 5:04 PM PST
Civil Twilight 6:55 AM PST   5:37 PM PST
Nautical Twilight 6:19 AM PST   6:13 PM PST
Astronomical Twilight 5:43 AM PST   6:49 PM PST
Altitude -0.8° 26.2° -0.8°
Azimuth 114.7° 180.0° 245.4°
Hour Angle of the Sun 72.1° 72.2° -72.2°
Mean Anomaly of the Sun 27.34° 27.54° 27.74°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -46.11° -45.91° -45.70°
Sun Declination -17.35° -17.29° -17.24°
Moon 2:32 PM PST (1/31)   4:55 AM PST (1/31)
Length of Visible Light 10h 42m
Length of Day
9h 37m
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