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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 5:43  
clear_day Transit: 12:56  
SunsetSet: 20:10
sunny DaytimeWhat's Visible Now?
All Constellations » Vela » 


Altitude: -73.7°   Azimuth: 77.2°   Direction: East-North-East

HR3456 is a supergiant star in the constellation of Vela.

HR3456 visual magnitude is 5.23. Because of its reltive faintness, HR3456 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of HR3456 is -0.003 arcsec per year in Right Ascension and -0.002 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR3456 star
DSS2 image of HR3456. The red arrow shows the motion of HR3456 during the next 100000 years (-5.00 arcmin in Right Ascension and -3.33 arcmin in declination);

Key facts about HR3456


HR3456 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -73.7°
Azimuth: 77.2°
Direction: East-North-East

Celestial coordinates and finder chart of HR3456

HR3456 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR3456 are provided in the following table:

08h 41m 56s
-45° 24’ 38”

The simplified sky map below shows the position of HR3456 in the sky:

Finder chart HR3456 star
Simplified finder chart for HR3456.

Visibility of HR3456 from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

HR3456 is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of HR3456 from the Sun and relative movement

HR3456 is distant 2,694.21 light years from the Sun and it is moving far from the Sun at the speed of 24 kilometers per second.

826.45 pc
2,694.21 ly
24 km/s
-0.003 arcsec/year
-0.002 arcsec/year

Spectral properties of HR3456

HR3456 belongs to spectral class B6 and has a luminosity class of I corresponding to a supergiant star.


The red dot in the diagram below shows where HR3456 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR3456. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3456