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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: 7:48  
clear_day Transit: 11:49  
SunsetSet: 15:50 south
sunny DaytimeWhat's Visible Now?
All Constellations » Serpens » 


Altitude: 22.2°   Azimuth: 156.6°   Direction: South-South-East

HR6600 is a hypergiant star in the constellation of Serpens.

HR6600 visual magnitude is 6.39. Because of its reltive faintness, HR6600 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 HR6600:


HR6600 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 22.2°
Azimuth: 156.6°
Direction: South-South-East

Celestial coordinates and finder chart of HR6600

HR6600 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 HR6600 are provided in the following table:

17h 43m 48s
-13° 30’ 30”

The simplified sky map below shows the position of HR6600 in the sky:

Finder chart HR6600 star
Simplified finder chart for HR6600.

Visibility of HR6600 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 HR6600 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: 103.5°
Max altitude: 25.0°
Azimuth: 256.5°

Digitized Sky Survey image of HR6600

The image below is a photograph of HR6600 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 HR6600 is -0.048 arcsec per year in Right Ascension and -0.109 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR6600 star
DSS2 image of HR6600. The red arrow shows the motion of HR6600 during the next 1000 years (-0.80 arcmin in Right Ascension and -1.82 arcmin in declination);

Distance of HR6600 from the Sun and relative movement

HR6600 is distant 139.14 light years from the Sun and it is moving towards the Sun at the speed of 7 kilometers per second.

42.68 pc
139.14 ly
-7 km/s
-0.048 arcsec/year
-0.109 arcsec/year

Spectral properties of HR6600

HR6600 belongs to spectral class F0 and has a luminosity class of V corresponding to a hypergiant star.


The red dot in the diagram below shows where HR6600 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6600. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6600