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: 4:50  
clear_day Transit: 12:56  
SunsetSet: 21:02 south
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All Constellations » Cassiopeia » 


HR146 is a giant star in the constellation of Cassiopeia.

HR146 visual magnitude is 5.79. Because of its reltive faintness, HR146 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 HR146:

HR146 is above the horizon from Greenwich, United Kingdom edit_location_alt. Altitude: 61°.

Celestial coordinates and finder chart of HR146

HR146 is situated close to the northern celestial pole and, as such, it is visible for most part of the year from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR146 are provided in the following table:

00h 36m 27s
+60° 19’ 33”

The simplified sky map below shows the position of HR146 in the sky:

Finder chart HR146 star
Simplified finder chart for HR146.

Visibility of HR146 from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

HR146 is circumpolar and transits at 08:06 UTC (altitude: 81.2°)

Digitized Sky Survey image of HR146

The image below is a photograph of HR146 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 HR146 is -0.001 arcsec per year in Right Ascension and -0.003 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR146 star
DSS2 image of HR146. The red arrow shows the motion of HR146 during the next 100000 years (-1.67 arcmin in Right Ascension and -5.00 arcmin in declination);

Distance of HR146 from the Sun and relative movement

HR146 is distant 3,360.82 light years from the Sun and it is moving towards the Sun at the speed of 9 kilometers per second.

1,030.93 pc
3,360.82 ly
-9 km/s
-0.001 arcsec/year
-0.003 arcsec/year

Spectral properties of HR146

HR146 belongs to spectral class A4 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR146 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR146. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR146