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public LocationGreenwich, UK
TimezoneEurope/London
Sunrise: 5:15 
Transit: 13:06 
Sunset: 20:56
sunny   (Daytime)   What's Visible Now?
All Constellations » Canis Major » 

HR2309

Below the horizon.  Rise: 6:19 | Tran: 11:11 | Set: 16:02
Alt: -3.99°   Az: 254.10°   Direction: West-South-West

HR2309 is a double main-sequence star of spectral class B5 in the constellation of Canis Major.

HR2309 visual magnitude is 6.12. Because of its faintness, HR2309 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 HR2309 star
DSS2 image of HR2309. The red arrow shows the motion of HR2309 during the next 10000 years (-2.00 arcmin in Right Ascension and -2.00 arcmin in declination);

Celestial Coordinates

Apparent

06h 25m 28s
-12° 58’ 38”
05h 19m 41s
11h 45m 09s

J2000

06h 24m 20s
-12° 57’ 45”

Galactic Coordinates

221.58°
-11.8°

Finder Chart

Finder chart HR2309 star
Simplified finder chart for HR2309.

Magnitude, Color, Spectral Class

6.12
Main-sequence

-2.73
B5V
11247K

The red dot in the diagram below shows where HR2309 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR2309. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR2309 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR2309 double sysyem:

6.12
10.52
4.4
23.2 arcsec

Distance, Radial Speed, Proper Motion

HR2309 is distant 1,917.65 light years from the Sun and it is moving far from the Sun at the speed of 8 kilometers per second.

588.24
1,917.65
8 km/s
-0.012 arcsec/y
-0.012"/y

Alternative Designations

SAO151461
SAO151461

Visibility from Your Location

Today's HR2309 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 103.0°
Max altitude: 25.5°
Azimuth: 257.0°