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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
SunriseRise: 6:40  
clear_day Transit: 12:10  
SunsetSet: 17:41
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All Constellations » Fornax » 

η2 Fornacis (eta2 Fornacis)

Altitude: -0.7°   Azimuth: 202.2°   Direction: South-South-West

η2 Fornacis is a double hypergiant star in the constellation of Fornax.

η2 Fornacis visual magnitude is 5.92. Because of its reltive faintness, η2 Fornacis should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of η2 Fornacis is 0.058 arcsec per year in Right Ascension and 0.021 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of η2 Fornacis (eta2 Fornacis) star
DSS2 image of η2 Fornacis. The red arrow shows the motion of η2 Fornacis during the next 10000 years (9.67 arcmin in Right Ascension and 3.50 arcmin in declination);

Key facts about η2 Fornacis


η2 Fornacis (eta2 Fornacis) is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -0.7°
Azimuth: 202.2°
Direction: South-South-West

Celestial coordinates and finder chart of η2 Fornacis

η2 Fornacis 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 η2 Fornacis are provided in the following table:

02h 50m 14s
-35° 50’ 36”

The simplified sky map below shows the position of η2 Fornacis in the sky:

Finder chart η2 Fornacis (eta2 Fornacis) star
Simplified finder chart for η2 Fornacis (eta2 Fornacis).

Visibility of η2 Fornacis 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 η2 Fornacis (eta2 Fornacis) 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: 125.8°
Max altitude: 2.7°
Azimuth: 234.2°

Distance of η2 Fornacis from the Sun and relative movement

η2 Fornacis is distant 500.00 light years from the Sun and it is moving far from the Sun at the speed of 22 kilometers per second.

153.37 pc
500.00 ly
22 km/s
0.058 arcsec/year
0.021 arcsec/year

Spectral properties of η2 Fornacis

η2 Fornacis belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.


The red dot in the diagram below shows where η2 Fornacis is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of η2 Fornacis. Attribution: Richard Powell / CC BY-SA

η2 Fornacis star system properties

η2 Fornacis is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the η2 Fornacis double sysyem:

5 arcsec

Alternative designations of η2 Fornacis

η2 Fornacis
(eta2 Fornacis)