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Astronomy

Apr. 21, 2015 Rise Solar Noon Set
Actual Time 6:01 AM MDT 12:55 PM MDT 7:50 PM MDT
Civil Twilight 5:29 AM MDT   8:22 PM MDT
Nautical Twilight 4:51 AM MDT   9:00 PM MDT
Astronomical Twilight 4:09 AM MDT   9:42 PM MDT
Altitude -0.8° 56.5° -0.8°
Azimuth 72.1° 180.0° 288.2°
Hour Angle of the Sun 103.6° 103.7° -103.8°
Mean Anomaly of the Sun 106.05° 106.33° 106.62°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 28.94° 29.21° 29.48°
Sun Declination 11.85° 11.94° 12.04°
Moon 8:16 AM MDT   11:19 PM MDT
Length of Visible Light 14h 52m
Length of Day
13h 49m
Waxing Crescent, 13% of the Moon is Illuminated
Apr 21
Waxing Crescent
Apr 25
First Quarter
May 3
Full
May 11
Last Quarter
May 18
New