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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: 7:52  
clear_day Transit: 11:51  
SunsetSet: 15:49 south
sleep NighttimeWhat's Visible Now?
All Constellations » Cepheus » 


Altitude: 55.3°   Azimuth: 319.2°   Direction: North-West

HR8361 is a multiple star in the constellation of Cepheus.

HR8361 visual magnitude is 6.37. Because of its reltive faintness, HR8361 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 HR8361:


HR8361 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 55.3°
Azimuth: 319.2°
Direction: North-West

Celestial coordinates and finder chart of HR8361

HR8361 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 HR8361 are provided in the following table:

21h 51m 37s
+65° 45’ 10”

The simplified sky map below shows the position of HR8361 in the sky:

Finder chart HR8361 star
Simplified finder chart for HR8361.

Visibility of HR8361 from your location

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

HR8361 is circumpolar and transits at 16:35 UTC (altitude: 75.7°)

Digitized Sky Survey image of HR8361

The image below is a photograph of HR8361 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 HR8361 is -0.006 arcsec per year in Right Ascension and -0.015 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR8361 star
DSS2 image of HR8361. The red arrow shows the motion of HR8361 during the next 10000 years (-1.00 arcmin in Right Ascension and -2.50 arcmin in declination);

Distance of HR8361 from the Sun and relative movement

HR8361 is distant 259.76 light years from the Sun and it is moving far from the Sun at the speed of 4 kilometers per second.

79.68 pc
259.76 ly
4 km/s
-0.006 arcsec/year
-0.015 arcsec/year

Spectral properties of HR8361

HR8361 belongs to spectral class A1


The red dot in the diagram below shows where HR8361 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR8361. Attribution: Richard Powell / CC BY-SA

HR8361 star system properties

HR8361 is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the HR8361 double sysyem:

1.9 arcsec

Alternative designations of HR8361