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Astronomy

Jan. 31, 2015 Rise Solar Noon Set
Actual Time 7:33 AM PST 12:23 PM PST 5:14 PM PST
Civil Twilight 7:01 AM PST   5:46 PM PST
Nautical Twilight 6:25 AM PST   6:21 PM PST
Astronomical Twilight 5:50 AM PST   6:56 PM PST
Altitude -0.8° 26.8° -0.8°
Azimuth 114.4° 180.0° 245.8°
Hour Angle of the Sun 72.5° 72.6° -72.7°
Mean Anomaly of the Sun 27.35° 27.55° 27.74°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -46.11° -45.90° -45.70°
Sun Declination -17.35° -17.29° -17.23°
Moon 2:42 PM PST   5:00 AM PST
Length of Visible Light 10h 44m
Length of Day
9h 40m
Waxing Gibbous, 90% of the Moon is Illuminated
Jan 31
Waxing Gibbous
Feb 3
Full
Feb 11
Last Quarter
Feb 18
New
Feb 25
First Quarter