Your guide to the Solar System and the night sky
🌎 Location: Greenwich, United Kingdom [change]

HR8851

HR8851 is a hypergiant star in the constellation of Cepheus.

HR8851 visual magnitude is 5.56. Because of its reltive faintness, HR8851 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 HR8851:

5.56
Hypergiant
HR8851 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 42°.

Celestial coordinates and finder chart of HR8851

HR8851 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 HR8851 are provided in the following table:

23h 15m 37s
+70° 53’ 17”
115.19°
9.47°
Cepheus

The simplified sky map below shows the position of HR8851 in the sky:

Finder chart HR8851 star
Simplified finder chart for HR8851.

Visibility of HR8851 from your location

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

HR8851 is circumpolar and transits at 18:50 UTC (altitude: 70.6°)

Digitized Sky Survey image of HR8851

The image below is a photograph of HR8851 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 HR8851 is 0.018 arcsec per year in Right Ascension and -0.005 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR8851 star
DSS2 image of HR8851. The red arrow shows the motion of HR8851 during the next 10000 years (3.00 arcmin in Right Ascension and -0.83 arcmin in declination);

Distance of HR8851 from the Sun and relative movement

HR8851 is distant 356.28 light years from the Sun and it is moving far from the Sun at the speed of 12 kilometers per second.

109.29 pc
356.28 ly
12 km/s
0.018 arcsec/year
-0.005 arcsec/year

Spectral properties of HR8851

HR8851 belongs to spectral class F0 and has a luminosity class of IV corresponding to a hypergiant star.

0.37
F0IV
7866K

The red dot in the diagram below shows where HR8851 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR8851. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8851

SAO10671
SAO10671