Astronomy

Interactive Star Chart
Powered by: Distant Suns
Click on a star, planet, sun or moon for more information.
View Direction

Click "Up" to view the entire sky.

   
   
Date & Time
Date:
Time:
 
Display Features
Planets
Constellations
Constellation Names
Constellation Borders
Star Names
Grid
Sky Line
Info
 
Astronomy
May. 21, 2013 Rise Solar Noon Set
Actual Time 5:39 AM MDT 1:08 PM MDT 8:38 PM MDT
Civil Twilight 5:05 AM MDT   9:12 PM MDT
Nautical Twilight 4:21 AM MDT   9:56 PM MDT
Astronomical Twilight 3:30 AM MDT   10:48 PM MDT
Altitude -0.8° 66.3° -0.8°
Azimuth 60.3° 180.0° 299.9°
Hour Angle of the Sun 112.2° 112.3° -112.4°
Mean Anomaly of the Sun 136.11° 136.42° 136.73°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 58.43° 58.74° 59.06°
Sun Declination 20.27° 20.33° 20.39°
Moon 4:48 PM MDT   3:17 AM MDT
Length Of Visible Light 16h 07m
Length of Day
14h 58m
Waxing Gibbous, 82% of the Moon is Illuminated
May 21
Waxing Gibbous
May 25
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter