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: 6:47  
clear_day Transit: 12:50  
SunsetSet: 18:52 south
sunny DaytimeWhat's Visible Now
All Constellations » Pegasus » 


Altitude: -8.6°   Azimuth: 355.2°   Direction: North

HR8838 is a double sub-giant star in the constellation of Pegasus.

HR8838 visual magnitude is 6.41. Because of its reltive faintness, HR8838 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 HR8838:


HR8838 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -8.6°
Azimuth: 355.2°
Direction: North

Celestial coordinates and finder chart of HR8838

HR8838 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 HR8838 are provided in the following table:

23h 14m 21s
+29° 46’ 18”

The simplified sky map below shows the position of HR8838 in the sky:

Finder chart HR8838 star
Simplified finder chart for HR8838.

Visibility of HR8838 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 HR8838 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: 60.2°
Max altitude: 68.3°
Azimuth: 299.8°

Digitized Sky Survey image of HR8838

The image below is a photograph of HR8838 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 HR8838 is -0.007 arcsec per year in Right Ascension and -0.013 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR8838 star
DSS2 image of HR8838. The red arrow shows the motion of HR8838 during the next 10000 years (-1.17 arcmin in Right Ascension and -2.17 arcmin in declination);

Distance of HR8838 from the Sun and relative movement

HR8838 is distant 367.53 light years from the Sun and it is moving far from the Sun at the speed of 9 kilometers per second.

112.74 pc
367.53 ly
9 km/s
-0.007 arcsec/year
-0.013 arcsec/year

Spectral properties of HR8838

HR8838 belongs to spectral class F6 and has a luminosity class of IV corresponding to a sub-giant star.


The red dot in the diagram below shows where HR8838 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR8838. Attribution: Richard Powell / CC BY-SA

HR8838 star system properties

HR8838 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR8838 double sysyem:

34.9 arcsec

Alternative designations of HR8838