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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: 7:47  
clear_day Transit: 11:49  
SunsetSet: 15:50 south
sleep NighttimeWhat's Visible Now?
All Constellations » Perseus » 


Altitude: 51.6°   Azimuth: 290.6°   Direction: West-North-West

HR849 is a double supergiant star in the constellation of Perseus.

HR849 visual magnitude is 6.26. Because of its reltive faintness, HR849 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 HR849:


HR849 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 51.6°
Azimuth: 290.6°
Direction: West-North-West

Celestial coordinates and finder chart of HR849

HR849 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 HR849 are provided in the following table:

02h 53m 21s
+48° 34’ 09”

The simplified sky map below shows the position of HR849 in the sky:

Finder chart HR849 star
Simplified finder chart for HR849.

Visibility of HR849 from your location

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

HR849 is circumpolar and transits at 21:55 UTC (altitude: 87.1°)

Digitized Sky Survey image of HR849

The image below is a photograph of HR849 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 HR849 is 0.015 arcsec per year in Right Ascension and -0.027 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR849 star
DSS2 image of HR849. The red arrow shows the motion of HR849 during the next 10000 years (2.50 arcmin in Right Ascension and -4.50 arcmin in declination);

Distance of HR849 from the Sun and relative movement

HR849 is distant 5,174.60 light years from the Sun and it is moving towards the Sun at the speed of 1 kilometers per second.

1,587.30 pc
5,174.60 ly
-1 km/s
0.015 arcsec/year
-0.027 arcsec/year

Spectral properties of HR849

HR849 belongs to spectral class G5 and has a luminosity class of I corresponding to a supergiant star.


The red dot in the diagram below shows where HR849 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR849. Attribution: Richard Powell / CC BY-SA

HR849 star system properties

HR849 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 HR849 double sysyem:

6.7 arcsec

Alternative designations of HR849