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Astronomy

Jan. 31, 2015 Rise Solar Noon Set
Actual Time 7:40 AM PST 12:23 PM PST 5:06 PM PST
Civil Twilight 7:06 AM PST   5:40 PM PST
Nautical Twilight 6:28 AM PST   6:18 PM PST
Astronomical Twilight 5:52 AM PST   6:54 PM PST
Altitude -0.8° 24.1° -0.8°
Azimuth 115.7° 180.0° 244.5°
Hour Angle of the Sun 70.7° 70.8° -70.8°
Mean Anomaly of the Sun 27.35° 27.55° 27.74°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -46.10° -45.90° -45.70°
Sun Declination -17.35° -17.29° -17.24°
Moon 2:33 PM PST (1/31)   5:09 AM PST (1/31)
Length of Visible Light 10h 33m
Length of Day
9h 26m
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