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Astronomy

Jan. 31, 2015 Rise Solar Noon Set
Actual Time 7:36 AM PST 12:29 PM PST 5:23 PM PST
Civil Twilight 7:05 AM PST   5:54 PM PST
Nautical Twilight 6:30 AM PST   6:29 PM PST
Astronomical Twilight 5:55 AM PST   7:03 PM PST
Altitude -0.8° 28.0° -0.8°
Azimuth 113.9° 180.0° 246.3°
Hour Angle of the Sun 73.3° 73.4° -73.4°
Mean Anomaly of the Sun 27.35° 27.55° 27.75°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -46.11° -45.90° -45.69°
Sun Declination -17.35° -17.29° -17.23°
Moon 2:52 PM PST   5:03 AM PST
Length of Visible Light 10h 49m
Length of Day
9h 46m
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