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Astronomy

Jan. 31, 2015 Rise Solar Noon Set
Actual Time 6:46 AM PST 12:00 PM PST 5:16 PM PST
Civil Twilight 6:19 AM PST   5:42 PM PST
Nautical Twilight 5:49 AM PST   6:12 PM PST
Astronomical Twilight 5:19 AM PST   6:42 PM PST
Altitude -0.8° 38.3° -0.8°
Azimuth 110.6° 180.0° 249.6°
Hour Angle of the Sun 78.7° 78.8° -78.8°
Mean Anomaly of the Sun 27.31° 27.53° 27.75°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -46.14° -45.92° -45.69°
Sun Declination -17.36° -17.30° -17.23°
Moon 2:47 PM PST (1/31)   4:09 AM PST (1/31)
Length of Visible Light 11h 23m
Length of Day
10h 30m
Waxing Gibbous, 93% of the Moon is Illuminated
Feb 1
Waxing Gibbous
Feb 3
Full
Feb 11
Last Quarter
Feb 18
New
Feb 25
First Quarter