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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: 6:40  
clear_day Transit: 12:10  
SunsetSet: 17:41
wb_twilight Civil TwilightWhat's Visible Now?
All Constellations » Cetus » 

HR218

Altitude: 2.4°   Azimuth: 236.6°   Direction: West-South-West

HR218 is a giant star in the constellation of Cetus.

HR218 visual magnitude is 5.7. Because of its reltive faintness, HR218 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of HR218 is 0.043 arcsec per year in Right Ascension and 0.031 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR218 star
DSS2 image of HR218. The red arrow shows the motion of HR218 during the next 10000 years (7.17 arcmin in Right Ascension and 5.17 arcmin in declination);

Key facts about HR218

5.7
Giant

HR218 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 2.4°
Azimuth: 236.6°
Direction: West-South-West

Celestial coordinates and finder chart of HR218

HR218 is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR218 are provided in the following table:

00h 47m 43s
-18° 03’ 41”
117.34°
-80.89°
Cetus

The simplified sky map below shows the position of HR218 in the sky:

Finder chart HR218 star
Simplified finder chart for HR218.

Visibility of HR218 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 HR218 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: 108.1°
Max altitude: 20.5°
Azimuth: 251.9°

Distance of HR218 from the Sun and relative movement

HR218 is distant 401.97 light years from the Sun and it is moving far from the Sun at the speed of 2 kilometers per second.

123.30 pc
401.97 ly
2 km/s
0.043 arcsec/year
0.031 arcsec/year

Spectral properties of HR218

HR218 belongs to spectral class K3 and has a luminosity class of III corresponding to a giant star.

0.25
K3III
4121K

The red dot in the diagram below shows where HR218 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR218. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR218

SAO147451
SAO147451