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
sunny DaytimeWhat's Visible Now
All Constellations » Puppis » 


HR2178 is a giant star in the constellation of Puppis.

HR2178 visual magnitude is 6.51. Because of its reltive faintness, HR2178 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 HR2178:

HR2178 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of HR2178

HR2178 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 HR2178 are provided in the following table:

06h 07m 01s
-45° 05’ 29”

The simplified sky map below shows the position of HR2178 in the sky:

Finder chart HR2178 star
Simplified finder chart for HR2178.

Visibility of HR2178 from your location

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

HR2178 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR2178

The image below is a photograph of HR2178 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 HR2178 is 0.085 arcsec per year in Right Ascension and 0.044 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR2178 star
DSS2 image of HR2178. The red arrow shows the motion of HR2178 during the next 10000 years (14.17 arcmin in Right Ascension and 7.33 arcmin in declination);

Distance of HR2178 from the Sun and relative movement

HR2178 is distant 372.15 light years from the Sun and it is moving far from the Sun at the speed of 82 kilometers per second.

114.16 pc
372.15 ly
82 km/s
0.085 arcsec/year
0.044 arcsec/year

Spectral properties of HR2178

HR2178 belongs to spectral class K1 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR2178 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR2178. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR2178