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: 4:48  
clear_day Transit: 12:56  
SunsetSet: 21:05 south
sunny DaytimeWhat's Visible Now
All Constellations » Carina » 


HR3105 is a giant star in the constellation of Carina.

HR3105 visual magnitude is 5.63. Because of its reltive faintness, HR3105 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 HR3105:

HR3105 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of HR3105

HR3105 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 HR3105 are provided in the following table:

07h 54m 53s
-57° 18’ 11”

The simplified sky map below shows the position of HR3105 in the sky:

Finder chart HR3105 star
Simplified finder chart for HR3105.

Visibility of HR3105 from your location

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

HR3105 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR3105

The image below is a photograph of HR3105 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 HR3105 is -0.077 arcsec per year in Right Ascension and 0.023 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR3105 star
DSS2 image of HR3105. The red arrow shows the motion of HR3105 during the next 10000 years (-12.83 arcmin in Right Ascension and 3.83 arcmin in declination);

Distance of HR3105 from the Sun and relative movement

HR3105 is distant 343.16 light years from the Sun and it is moving far from the Sun at the speed of 26 kilometers per second.

105.26 pc
343.16 ly
26 km/s
-0.077 arcsec/year
0.023 arcsec/year

Spectral properties of HR3105

HR3105 belongs to spectral class K3 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR3105 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR3105. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3105