Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 4:44  
clear_day Transit: 12:57  
SunsetSet: 21:11 south
sunny DaytimeWhat's Visible Now
All Constellations » Cetus » 


Altitude: -1.6°   Azimuth: 231.9°   Direction: South-West

HR247 is a double giant star in the constellation of Cetus.

HR247 visual magnitude is 5.46. Because of its reltive faintness, HR247 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 HR247:


HR247 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -1.6°
Azimuth: 231.9°
Direction: South-West

Celestial coordinates and finder chart of HR247

HR247 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 HR247 are provided in the following table:

00h 52m 40s
-24° 00’ 20”

The simplified sky map below shows the position of HR247 in the sky:

Finder chart HR247 star
Simplified finder chart for HR247.

Visibility of HR247 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 HR247 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: 114.0°
Max altitude: 14.5°
Azimuth: 246.0°
HR247 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR247

The image below is a photograph of HR247 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 HR247 is 0.035 arcsec per year in Right Ascension and 0.035 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR247 star
DSS2 image of HR247. The red arrow shows the motion of HR247 during the next 10000 years (5.83 arcmin in Right Ascension and 5.83 arcmin in declination);

Distance of HR247 from the Sun and relative movement

HR247 is distant 500.00 light years from the Sun and it is moving far from the Sun at the speed of 34 kilometers per second.

153.37 pc
500.00 ly
34 km/s
0.035 arcsec/year
0.035 arcsec/year

Spectral properties of HR247

HR247 belongs to spectral class K2 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR247 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR247. Attribution: Richard Powell / CC BY-SA

HR247 star system properties

HR247 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR247 double sysyem:

11 arcsec

Alternative designations of HR247