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
wb_twilight Astronomical TwilightWhat's Visible Now
All Constellations » Auriga » 

Hassaleh - ι Aurigae (iota Aurigae)

Hassaleh, also designated as ι Aurigae (iota Aurigae), is a variable bright giant star in the constellation of Auriga.

Hassaleh visual magnitude is 2.69. Thanks to its high brightness, Hassaleh is clearly visible when observed from locations with dark skyes, and should be also quite easily visible from light polluted areas.

The table below summarizes the key facts about Hassaleh:

Bright giant
Hassaleh - ι Aurigae (iota Aurigae) is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of Hassaleh

Hassaleh is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of Hassaleh are provided in the following table:

04h 56m 59s
+33° 09’ 57”

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

Finder chart Hassaleh - ι Aurigae (iota Aurigae) star
Simplified finder chart for Hassaleh - ι Aurigae (iota Aurigae).

Visibility of Hassaleh 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 Hassaleh - ι Aurigae (iota Aurigae) 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: 56.8°
Max altitude: 71.7°
Azimuth: 303.2°
Hassaleh - ι Aurigae (iota Aurigae) is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of Hassaleh

The image below is a photograph of Hassaleh 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 Hassaleh is 0.003 arcsec per year in Right Ascension and -0.018 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of Hassaleh - ι Aurigae (iota Aurigae) star
DSS2 image of Hassaleh. The red arrow shows the motion of Hassaleh during the next 10000 years (0.50 arcmin in Right Ascension and -3.00 arcmin in declination);

Distance of Hassaleh from the Sun and relative movement

Hassaleh is distant 511.77 light years from the Sun and it is moving far from the Sun at the speed of 18 kilometers per second.

156.99 pc
511.77 ly
18 km/s
0.003 arcsec/year
-0.018 arcsec/year

Spectral properties of Hassaleh

Hassaleh belongs to spectral class K3 and has a luminosity class of II corresponding to a bright giant star.


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

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

Alternative designations of Hassaleh

ι Aurigae
(iota Aurigae)