Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
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All Constellations » Puppis » 


HR3046 is a hypergiant star in the constellation of Puppis.

HR3046 visual magnitude is 4.71. Because of its moderate brightness, HR3046 should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about HR3046:

HR3046 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of HR3046

HR3046 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 HR3046 are provided in the following table:

07h 48m 20s
-47° 04’ 40”

The simplified sky map below shows the position of HR3046 in the sky:

Finder chart HR3046 star
Simplified finder chart for HR3046.

Visibility of HR3046 from your location

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

HR3046 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR3046

The image below is a photograph of HR3046 from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of HR3046 is -0.088 arcsec per year in Right Ascension and -0.078 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR3046 star
DSS2 image of HR3046. The red arrow shows the motion of HR3046 during the next 10000 years (-14.67 arcmin in Right Ascension and -13.00 arcmin in declination);

Distance of HR3046 from the Sun and relative movement

HR3046 is distant 227.02 light years from the Sun and it is moving towards the Sun at the speed of 1 kilometers per second.

69.64 pc
227.02 ly
-1 km/s
-0.088 arcsec/year
-0.078 arcsec/year

Spectral properties of HR3046

HR3046 belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.


The red dot in the diagram below shows where HR3046 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR3046. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3046