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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: 7:51  
clear_day Transit: 11:50  
SunsetSet: 15:49 south
sunny DaytimeWhat's Visible Now?
All Constellations » Cepheus » 


Altitude: 45.3°   Azimuth: 350.5°   Direction: North

HR1523 is a giant star in the constellation of Cepheus.

HR1523 visual magnitude is 5.07. Because of its reltive faintness, HR1523 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 HR1523:


HR1523 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 45.3°
Azimuth: 350.5°
Direction: North

Celestial coordinates and finder chart of HR1523

HR1523 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 HR1523 are provided in the following table:

05h 00m 20s
+81° 11’ 38”

The simplified sky map below shows the position of HR1523 in the sky:

Finder chart HR1523 star
Simplified finder chart for HR1523.

Visibility of HR1523 from your location

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

HR1523 is circumpolar and transits at 23:46 UTC (altitude: 60.3°)

Digitized Sky Survey image of HR1523

The image below is a photograph of HR1523 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 HR1523 is -0.001 arcsec per year in Right Ascension and 0.024 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR1523 star
DSS2 image of HR1523. The red arrow shows the motion of HR1523 during the next 10000 years (-0.17 arcmin in Right Ascension and 4.00 arcmin in declination);

Distance of HR1523 from the Sun and relative movement

HR1523 is distant 344.61 light years from the Sun and it is moving towards the Sun at the speed of 8 kilometers per second.

105.71 pc
344.61 ly
-8 km/s
-0.001 arcsec/year
0.024 arcsec/year

Spectral properties of HR1523

HR1523 belongs to spectral class K3 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR1523 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR1523. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1523