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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: 7:40  
clear_day Transit: 11:47  
SunsetSet: 15:53 south
sunny DaytimeWhat's Visible Now?
All Constellations » Eridanus » 

68 Eridani

Altitude: -39.4°   Azimuth: 29.4°   Direction: North-North-East

68 Eridani is a main-sequence star in the constellation of Eridanus.

68 Eridani visual magnitude is 5.12. Because of its reltive faintness, 68 Eridani 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 68 Eridani:

5.12
Main-sequence

68 Eridani is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -39.4°
Azimuth: 29.4°
Direction: North-North-East

Celestial coordinates and finder chart of 68 Eridani

68 Eridani 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 68 Eridani are provided in the following table:

05h 08m 43s
-04° 27’ 21”
204.83°
-24.83°
Eridanus

The simplified sky map below shows the position of 68 Eridani in the sky:

Finder chart 68 Eridani star
Simplified finder chart for 68 Eridani.

Visibility of 68 Eridani 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 68 Eridani 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: 94.5°
Max altitude: 34.1°
Azimuth: 265.5°

Digitized Sky Survey image of 68 Eridani

The image below is a photograph of 68 Eridani 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 68 Eridani is 0.044 arcsec per year in Right Ascension and 0.017 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 68 Eridani star
DSS2 image of 68 Eridani. The red arrow shows the motion of 68 Eridani during the next 10000 years (7.33 arcmin in Right Ascension and 2.83 arcmin in declination);

Distance of 68 Eridani from the Sun and relative movement

68 Eridani is distant 81.52 light years from the Sun and it is moving far from the Sun at the speed of 9 kilometers per second.

25.01 pc
81.52 ly
9 km/s
0.044 arcsec/year
0.017 arcsec/year

Spectral properties of 68 Eridani

68 Eridani belongs to spectral class F2 and has a luminosity class of V corresponding to a main-sequence star.

3.13
F2V
6674K

The red dot in the diagram below shows where 68 Eridani is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 68 Eridani. Attribution: Richard Powell / CC BY-SA

Alternative designations of 68 Eridani

SAO131813
SAO131813
Gl 189.2