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Astronomy

Apr. 23, 2017 Rise Solar Noon Set
Actual Time 6:04 AM MDT 1:05 PM MDT 8:08 PM MDT
Civil Twilight 5:31 AM MDT   8:41 PM MDT
Nautical Twilight 4:50 AM MDT   9:23 PM MDT
Astronomical Twilight 4:04 AM MDT   10:08 PM MDT
Altitude -0.8° 55.5° -0.8°
Azimuth 70.1° 180.0° 290.2°
Hour Angle of the Sun 105.4° 105.6° -105.7°
Mean Anomaly of the Sun 108.50° 108.79° 109.07°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 31.30° 31.57° 31.85°
Sun Declination 12.69° 12.79° 12.88°
Moon 4:56 AM MDT   4:48 PM MDT
Length of Visible Light 15h 10m
Length of Day
14h 04m
Waning Crescent, 10% of the Moon is Illuminated
Apr 23
Waning Crescent
Apr 26
New
May 2
First Quarter
May 10
Full
May 18
Last Quarter