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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: 7:41  
clear_day Transit: 11:47  
SunsetSet: 15:53 south
wb_twilight Civil TwilightWhat's Visible Now?
All Constellations » Andromeda » 


Altitude: 10.1°   Azimuth: 342.2°   Direction: North-North-West

HR504 is a giant star in the constellation of Andromeda.

HR504 visual magnitude is 6.35. Because of its reltive faintness, HR504 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 HR504:


HR504 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 10.1°
Azimuth: 342.2°
Direction: North-North-West

Celestial coordinates and finder chart of HR504

HR504 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 HR504 are provided in the following table:

01h 44m 26s
+46° 08’ 22”

The simplified sky map below shows the position of HR504 in the sky:

Finder chart HR504 star
Simplified finder chart for HR504.

Visibility of HR504 from your location

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

HR504 is circumpolar and transits at 21:02 UTC (altitude: 84.7°)

Digitized Sky Survey image of HR504

The image below is a photograph of HR504 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 HR504 is -0.009 arcsec per year in Right Ascension and -0.028 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR504 star
DSS2 image of HR504. The red arrow shows the motion of HR504 during the next 10000 years (-1.50 arcmin in Right Ascension and -4.67 arcmin in declination);

Distance of HR504 from the Sun and relative movement

HR504 is distant 539.74 light years from the Sun and it is moving towards the Sun at the speed of 19 kilometers per second.

165.56 pc
539.74 ly
-19 km/s
-0.009 arcsec/year
-0.028 arcsec/year

Spectral properties of HR504

HR504 belongs to spectral class K5 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR504 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR504. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR504