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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 6:46  
clear_day Transit: 12:51  
SunsetSet: 18:55 south
sleep NighttimeWhat's Visible Now
All Constellations » Piscis Austrinus » 


Altitude: -16.7°   Azimuth: 235.6°   Direction: South-West

HR8668 is a giant star in the constellation of Piscis Austrinus.

HR8668 visual magnitude is 6.28. Because of its reltive faintness, HR8668 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 HR8668:


HR8668 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -16.7°
Azimuth: 235.6°
Direction: South-West

Celestial coordinates and finder chart of HR8668

HR8668 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR8668 are provided in the following table:

22h 47m 19s
-34° 09’ 39”
Piscis Austrinus

The simplified sky map below shows the position of HR8668 in the sky:

Finder chart HR8668 star
Simplified finder chart for HR8668.

Visibility of HR8668 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 HR8668 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: 124.2°
Max altitude: 4.4°
Azimuth: 235.8°

Digitized Sky Survey image of HR8668

The image below is a photograph of HR8668 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 HR8668 is -0.066 arcsec per year in Right Ascension and 0.048 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR8668 star
DSS2 image of HR8668. The red arrow shows the motion of HR8668 during the next 10000 years (-11.00 arcmin in Right Ascension and 8.00 arcmin in declination);

Distance of HR8668 from the Sun and relative movement

HR8668 is distant 320.24 light years from the Sun and it is moving far from the Sun at the speed of 41 kilometers per second.

98.23 pc
320.24 ly
41 km/s
-0.066 arcsec/year
0.048 arcsec/year

Spectral properties of HR8668

HR8668 belongs to spectral class K1 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR8668 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR8668. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8668