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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
SunriseRise: 6:44  
clear_day Transit: 12:10  
SunsetSet: 17:38
sunny DaytimeWhat's Visible Now?
All Constellations » Perseus » 

HR918

Altitude: 74.2°   Azimuth: 60.7°   Direction: East-North-East

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 skies, while it can be barely visible, or not visible at all, from skies affected by light pollution.

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);

Key facts about HR918

4.76
Giant

HR918 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 74.2°
Azimuth: 60.7°
Direction: East-North-East

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 edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

HR918 is circumpolar and transits at 16:25 UTC (altitude: 84.8°)

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