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public LocationGreenwich, UK
Sunrise: 4:58 
Transit: 13:04 
Sunset: 21:09
sunny   (Daytime)   What's Visible Now?
All Constellations » Puppis » 


Below the horizon.  Never rises today
Altitude: -41.8°   Azimuth: 244.1°   Direction: West-South-West

HR3055 is a double hypergiant star of spectral class B0 in the constellation of Puppis.

HR3055 visual magnitude is 4.11. Because of its moderate brightness, HR3055 is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

HR3055 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere.

Image of HR3055 star
DSS2 image of HR3055. The red arrow shows the motion of HR3055 during the next 100000 years (0.00 arcmin in Right Ascension and 10.00 arcmin in declination);

Apparent Coordinates

07h 49m 59s
-46° 26’ 10”
06h 52m 50s

J2000 Coordinates

07h 49m 14s
-46° 22’ 23”

Galactic Coordinates


Finder Chart

Finder chart HR3055 star
Simplified finder chart for HR3055.

Magnitude, Color, Spectral Class



The red dot in the diagram below shows where HR3055 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR3055. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR3055 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 HR3055 double sysyem:

59.2 arcsec

Distance, Radial Speed, Proper Motion

HR3055 is distant 1,963.86 light years from the Sun and it is moving far from the Sun at the speed of 24 kilometers per second.

602.41 pc
1,963.86 ly
24 km/s
0.006 "/y

Alternative Designations


Visibility from Your Location

HR3055 is currently not visible from Greenwich, UK