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: 4:44  
clear_day Transit: 12:57  
SunsetSet: 21:11 south
sunny DaytimeWhat's Visible Now
All Constellations » Carina » 


Altitude: -24.0°   Azimuth: 152.2°   Direction: South-South-East

HR3368 is a double hypergiant star in the constellation of Carina.

HR3368 visual magnitude is 6.36. Because of its reltive faintness, HR3368 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 HR3368:


HR3368 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -24.0°
Azimuth: 152.2°
Direction: South-South-East

Celestial coordinates and finder chart of HR3368

HR3368 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 HR3368 are provided in the following table:

08h 29m 36s
-55° 11’ 27”

The simplified sky map below shows the position of HR3368 in the sky:

Finder chart HR3368 star
Simplified finder chart for HR3368.

Visibility of HR3368 from your location

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

HR3368 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR3368

The image below is a photograph of HR3368 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 HR3368 is -0.015 arcsec per year in Right Ascension and -0.015 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR3368 star
DSS2 image of HR3368. The red arrow shows the motion of HR3368 during the next 10000 years (-2.50 arcmin in Right Ascension and -2.50 arcmin in declination);

Distance of HR3368 from the Sun and relative movement

HR3368 is distant 721.24 light years from the Sun and it is moving towards the Sun at the speed of 12 kilometers per second.

221.24 pc
721.24 ly
-12 km/s
-0.015 arcsec/year
-0.015 arcsec/year

Spectral properties of HR3368

HR3368 belongs to spectral class G0 and has a luminosity class of V corresponding to a hypergiant star.


The red dot in the diagram below shows where HR3368 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR3368. Attribution: Richard Powell / CC BY-SA

HR3368 star system properties

HR3368 is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the HR3368 double sysyem:

2.4 arcsec

Alternative designations of HR3368