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

HR918

HR918 is a giant star in the constellation of Perseus.

HR918 visual magnitude is 4.76. Because of its moderate brightness, HR918 should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about HR918:

4.76
Giant
HR918 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 20°.

Celestial coordinates and finder chart of HR918

HR918 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 HR918 are provided in the following table:

03h 05m 32s
+56° 42’ 20”
140.59°
-1.5°
Perseus

The simplified sky map below shows the position of HR918 in the sky:

Finder chart HR918 star
Simplified finder chart for HR918.

Visibility of HR918 from your location

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

HR918 is circumpolar and transits at 03:11 UTC (altitude: 84.8°)

Digitized Sky Survey image of HR918

The image below is a photograph of HR918 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 HR918 is -0.014 arcsec per year in Right Ascension and 0.067 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR918 star
DSS2 image of HR918. The red arrow shows the motion of HR918 during the next 10000 years (-2.33 arcmin in Right Ascension and 11.17 arcmin in declination);

Distance of HR918 from the Sun and relative movement

HR918 is distant 204.39 light years from the Sun and it is moving towards the Sun at the speed of 45 kilometers per second.

62.70 pc
204.39 ly
-45 km/s
-0.014 arcsec/year
0.067 arcsec/year

Spectral properties of HR918

HR918 belongs to spectral class G9 and has a luminosity class of III corresponding to a giant star.

0.77
G9III
4695K

The red dot in the diagram below shows where HR918 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR918. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR918

SAO23791
SAO23791