Home
Search Objects
Major Solar System Objects
Comets
Asteroids
Spacecrafts
Star Maps
Orbits
public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:03 
Transit: 12:56 
Sunset: 20:50
warning Set your observing location to get relevant data
wb_twilight   (Nautical Twilight)  
Planets Visible Tonight
Planets Visible Tonight
 • 
What's Visible Now • Tonight Sky
Search  close
All Constellations » Vela » 

HR3399

Below the horizon.  Rise: 16:49 | Tran: 17:45 | Set: 18:40
Alt: -14.77°   Az: 226.83°   Direction: South-West

HR3399 is a variable and double giant star of spectral class K5 in the constellation of Vela.

HR3399 visual magnitude is 6.3. Because of its faintness, HR3399 is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Image of HR3399 star
DSS2 image of HR3399. The red arrow shows the motion of HR3399 during the next 100000 years (-11.67 arcmin in Right Ascension and 1.67 arcmin in declination);

Celestial Coordinates

Apparent

08h 35m 26s
-37° 41’ 59”
04h 12m 08s
12h 47m 34s

J2000

08h 34m 29s
-37° 36’ 41”

Galactic Coordinates

257.39°
1.61°

Finder Chart

loader
  Loading map...
Finder chart for HR3399.

Magnitude, Color, Spectral Class

6.3
Giant

-1.11
K5III
3705K

The red dot in the diagram below shows where HR3399 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR3399. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR3399 is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the HR3399 double sysyem:

6.3
8.6
2.3
1.9 arcsec

Distance, Radial Speed, Proper Motion

HR3399 is distant 987.88 light years from the Sun and it is moving far from the Sun at the speed of 23 kilometers per second.

303.03
987.88
23 km/s
-0.007 arcsec/y
0.001"/y

Alternative Designations

SAO199389
SAO199389

Visibility from Your Location

Today's HR3399 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 127.7°
Max altitude: 0.8°
Azimuth: 232.3°