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Astronomy

Aug. 23, 2017 Rise Solar Noon Set
Actual Time 6:00 AM BST 1:04 PM BST 8:07 PM BST
Civil Twilight 5:24 AM BST   8:43 PM BST
Nautical Twilight 4:38 AM BST   9:28 PM BST
Astronomical Twilight 3:46 AM BST   10:19 PM BST
Altitude -0.8° 49.8° -0.8°
Azimuth 70.4° 180.0° 289.2°
Hour Angle of the Sun 106.1° 105.9° -105.8°
Mean Anomaly of the Sun 228.45° 228.74° 229.03°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 152.35° 152.62° 152.89°
Sun Declination 11.38° 11.27° 11.17°
Moon 7:49 AM BST   9:05 PM BST
Length of Visible Light 15h 19m
Length of Day
14h 07m
Waxing Crescent, 4% of the Moon is Illuminated
Aug 23
Waxing Crescent
Aug 29
First Quarter
Sep 6
Full
Sep 13
Last Quarter
Sep 20
New