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public LocationGreenwich, United Kingdom
Sunrise: 4:42 
Transit: 12:59 
Sunset: 21:17
sunny   (Daytime)   What's Visible Now?

45 Eridani

Above the horizon.  Rise: 5:45 | Tran: 11:43 | Set: 17:41
Altitude: 33.7°   Azimuth: 212.8°   Direction: South-South-West

45 Eridani is a bright giant star of spectral class K3 in the constellation of Eridanus.

45 Eridani visual magnitude is 4.91. Because of its moderate brightness, 45 Eridani is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

Celestial coordinates and finder chart of 45 Eridani

Finder chart 45 Eridani star
Simplified finder chart for 45 Eridani.

45 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 45 Eridani are provided in the following table:

04h 31m 52s
-00° 02’ 38”
Image of 45 Eridani star
DSS2 image of 45 Eridani. The red arrow shows the motion of 45 Eridani during the next 100000 years (5.00 arcmin in Right Ascension and -15.00 arcmin in declination);

Key facts about 45 Eridani

Bright giant

and has a luminosity class of II corresponding to a bright giant star.


The red dot in the diagram below shows where 45 Eridani is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 45 Eridani. Attribution: Richard Powell / CC BY-SA

Distance of 45 Eridani from the Sun and relative movement

45 Eridani is distant 829.52 light years from the Sun and it is moving far from the Sun at the speed of 17 kilometers per second.

254.45 pc
829.52 ly
17 km/s
0.003 arcsec/year
-0.009 arcsec/year

Alternative designations of 45 Eridani


Visibility of 45 Eridani from your location

Today's 45 Eridani rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):

Azimuth: 90.0°
Max altitude: 38.5°
Azimuth: 270.0°