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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
north SunriseRise: 7:47  
clear_day Transit: 11:49  
SunsetSet: 15:50 south
sunny DaytimeWhat's Visible Now?
All Constellations » Ophiuchus » 


Altitude: 26.9°   Azimuth: 150.9°   Direction: South-South-East

HR6128 is a variable giant star in the constellation of Ophiuchus.

HR6128 visual magnitude is 5.23. Because of its reltive faintness, HR6128 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 HR6128:


HR6128 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 26.9°
Azimuth: 150.9°
Direction: South-South-East

Celestial coordinates and finder chart of HR6128

HR6128 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 HR6128 are provided in the following table:

16h 27m 43s
-07° 35’ 53”

The simplified sky map below shows the position of HR6128 in the sky:

Finder chart HR6128 star
Simplified finder chart for HR6128.

Visibility of HR6128 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 HR6128 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: 97.6°
Max altitude: 30.9°
Azimuth: 262.4°

Digitized Sky Survey image of HR6128

The image below is a photograph of HR6128 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 HR6128 is 0.014 arcsec per year in Right Ascension and -0.155 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR6128 star
DSS2 image of HR6128. The red arrow shows the motion of HR6128 during the next 1000 years (0.23 arcmin in Right Ascension and -2.58 arcmin in declination);

Distance of HR6128 from the Sun and relative movement

HR6128 is distant 507.00 light years from the Sun and it is moving far from the Sun at the speed of 99 kilometers per second.

155.52 pc
507.00 ly
99 km/s
0.014 arcsec/year
-0.155 arcsec/year

Spectral properties of HR6128

HR6128 belongs to spectral class M3 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR6128 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6128. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6128