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Astronomy

Jan. 31, 2015 Rise Solar Noon Set
Actual Time 7:28 AM PST 12:14 PM PST 5:01 PM PST
Civil Twilight 6:55 AM PST   5:34 PM PST
Nautical Twilight 6:18 AM PST   6:11 PM PST
Astronomical Twilight 5:42 AM PST   6:47 PM PST
Altitude -0.8° 25.3° -0.8°
Azimuth 115.1° 180.0° 245.1°
Hour Angle of the Sun 71.5° 71.6° -71.7°
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 2:28 PM PST   4:56 AM PST
Length of Visible Light 10h 38m
Length of Day
9h 32m
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