Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 4:52  
clear_day Transit: 12:55  
SunsetSet: 20:59 south
wb_twilight Civil TwilightWhat's Visible Now
All Constellations » Puppis » 


HR3042 is a giant star in the constellation of Puppis.

HR3042 visual magnitude is 6.23. Because of its reltive faintness, HR3042 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about HR3042:

HR3042 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of HR3042

HR3042 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 HR3042 are provided in the following table:

07h 49m 28s
-13° 21’ 11”

The simplified sky map below shows the position of HR3042 in the sky:

Finder chart HR3042 star
Simplified finder chart for HR3042.

Visibility of HR3042 from your location

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

Today's HR3042 rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 103.4°
Max altitude: 25.2°
Azimuth: 256.6°
HR3042 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR3042

The image below is a photograph of HR3042 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 HR3042 is -0.035 arcsec per year in Right Ascension and -0.018 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR3042 star
DSS2 image of HR3042. The red arrow shows the motion of HR3042 during the next 10000 years (-5.83 arcmin in Right Ascension and -3.00 arcmin in declination);

Distance of HR3042 from the Sun and relative movement

HR3042 is distant 1,873.56 light years from the Sun and it is moving towards the Sun at the speed of 7 kilometers per second.

574.71 pc
1,873.56 ly
-7 km/s
-0.035 arcsec/year
-0.018 arcsec/year

Spectral properties of HR3042

HR3042 belongs to spectral class B8 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR3042 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR3042. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3042