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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:48  
clear_day Transit: 11:49  
SunsetSet: 15:50 south
sunny DaytimeWhat's Visible Now?
All Constellations » Eridanus » 


Altitude: -24.6°   Azimuth: 302.7°   Direction: West-North-West

HR1312 is a sub-giant star in the constellation of Eridanus.

HR1312 visual magnitude is 6.44. Because of its reltive faintness, HR1312 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 HR1312:


HR1312 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -24.6°
Azimuth: 302.7°
Direction: West-North-West

Celestial coordinates and finder chart of HR1312

HR1312 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 HR1312 are provided in the following table:

04h 13m 38s
-01° 08’ 58”

The simplified sky map below shows the position of HR1312 in the sky:

Finder chart HR1312 star
Simplified finder chart for HR1312.

Visibility of HR1312 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 HR1312 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: 91.1°
Max altitude: 37.4°
Azimuth: 268.9°

Digitized Sky Survey image of HR1312

The image below is a photograph of HR1312 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 HR1312 is 0.007 arcsec per year in Right Ascension and -0.004 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR1312 star
DSS2 image of HR1312. The red arrow shows the motion of HR1312 during the next 100000 years (11.67 arcmin in Right Ascension and -6.67 arcmin in declination);

Distance of HR1312 from the Sun and relative movement

HR1312 is distant 1,399.14 light years from the Sun and it is moving far from the Sun at the speed of 18 kilometers per second.

429.18 pc
1,399.14 ly
18 km/s
0.007 arcsec/year
-0.004 arcsec/year

Spectral properties of HR1312

HR1312 belongs to spectral class B5 and has a luminosity class of IV corresponding to a sub-giant star.


The red dot in the diagram below shows where HR1312 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR1312. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1312