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Astronomy

Apr. 23, 2017 Rise Solar Noon Set
Actual Time 6:16 AM MDT 1:07 PM MDT 7:58 PM MDT
Civil Twilight 5:46 AM MDT   8:28 PM MDT
Nautical Twilight 5:10 AM MDT   9:04 PM MDT
Astronomical Twilight 4:32 AM MDT   9:43 PM MDT
Altitude -0.8° 61.0° -0.8°
Azimuth 72.1° 180.0° 288.2°
Hour Angle of the Sun 102.8° 102.9° -103.0°
Mean Anomaly of the Sun 108.51° 108.79° 109.07°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 31.30° 31.57° 31.84°
Sun Declination 12.69° 12.79° 12.88°
Moon 4:54 AM MDT (4/23)   4:51 PM MDT (4/23)
Length of Visible Light 14h 42m
Length of Day
13h 42m
Waning Crescent, 9% of the Moon is Illuminated
Apr 23
Waning Crescent
Apr 26
New
May 2
First Quarter
May 10
Full
May 18
Last Quarter