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public LocationGreenwich, UK
Sunrise: 4:43 
Transit: 13:01 
Sunset: 21:18
wb_twilight   (Astronomical Twilight)   What's Visible Now?
All Constellations » Monoceros » 


Below the horizon.  Rise: 8:52 | Tran: 13:57 | Set: 19:03
Altitude: -48.8°   Azimuth: 4.9°   Direction: North

HR2739 is a hypergiant star of spectral class B0 in the constellation of Monoceros.

HR2739 visual magnitude is 6.03. Because of its faintness, HR2739 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.

Celestial coordinates and finder chart of HR2739

Finder chart HR2739 star
Simplified finder chart for HR2739.

HR2739 is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR2739 are provided in the following table:

07h 14m 28s
-10° 19’ 00”
Image of HR2739 star
DSS2 image of HR2739. The red arrow shows the motion of HR2739 during the next 10000 years (-0.67 arcmin in Right Ascension and -1.83 arcmin in declination);

Key facts about HR2739


and has a luminosity class of III corresponding to a hypergiant star.


The red dot in the diagram below shows where HR2739 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR2739. Attribution: Richard Powell / CC BY-SA

Distance of HR2739 from the Sun and relative movement

HR2739 is distant 2,432.84 light years from the Sun and it is moving far from the Sun at the speed of 33 kilometers per second.

746.27 pc
2,432.84 ly
33 km/s
-0.004 arcsec/year
-0.011 arcsec/year

Alternative designations of HR2739


Visibility of HR2739 from your location

Today's HR2739 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 100.3°
Max altitude: 28.2°
Azimuth: 259.7°