Your Guide to the Solar System and the Night Sky
This site is free and ad-free thanks to the support of our users. If you can, please consider a donation.
public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:02  
clear_day Transit: 12:47  
SunsetSet: 18:32 south
sunny DaytimeWhat's Visible Now
All Constellations » Cetus » 


Altitude: -24.6°   Azimuth: 265.1°   Direction: West

HR197 is a giant star in the constellation of Cetus.

HR197 visual magnitude is 5.24. Because of its reltive faintness, HR197 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 HR197:


HR197 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -24.6°
Azimuth: 265.1°
Direction: West

Celestial coordinates and finder chart of HR197

HR197 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 HR197 are provided in the following table:

00h 44m 44s
-22° 00’ 21”

The simplified sky map below shows the position of HR197 in the sky:

Finder chart HR197 star
Simplified finder chart for HR197.

Visibility of HR197 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 HR197 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: 112.0°
Max altitude: 16.5°
Azimuth: 248.0°

Digitized Sky Survey image of HR197

The image below is a photograph of HR197 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 HR197 is -0.066 arcsec per year in Right Ascension and 0.083 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR197 star
DSS2 image of HR197. The red arrow shows the motion of HR197 during the next 10000 years (-11.00 arcmin in Right Ascension and 13.83 arcmin in declination);

Distance of HR197 from the Sun and relative movement

HR197 is distant 90.76 light years from the Sun and it is moving far from the Sun at the speed of 12 kilometers per second.

27.84 pc
90.76 ly
12 km/s
-0.066 arcsec/year
0.083 arcsec/year

Spectral properties of HR197

HR197 belongs to spectral class F1 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR197 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR197. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR197