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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
SunriseRise: 6:04  
clear_day Transit: 12:06  
SunsetSet: 18:09
wb_twilight Civil TwilightWhat's Visible Now?
All Constellations » Sagittarius » 

HR6861

Altitude: 13.4°   Azimuth: 173.8°   Direction: South

HR6861 is a variable giant star in the constellation of Sagittarius.

HR6861 visual magnitude is 6.25. Because of its reltive faintness, HR6861 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of HR6861 is 0.007 arcsec per year in Right Ascension and 0.008 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR6861 star
DSS2 image of HR6861. The red arrow shows the motion of HR6861 during the next 100000 years (11.67 arcmin in Right Ascension and 13.33 arcmin in declination);

Key facts about HR6861

6.25
Giant

HR6861 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 13.4°
Azimuth: 173.8°
Direction: South

Celestial coordinates and finder chart of HR6861

HR6861 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 HR6861 are provided in the following table:

18h 21m 31s
-24° 54’ 53”
7.44°
-4.99°
Sagittarius

The simplified sky map below shows the position of HR6861 in the sky:

Finder chart HR6861 star
Simplified finder chart for HR6861.

Visibility of HR6861 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 HR6861 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: 114.9°
Max altitude: 13.6°
Azimuth: 245.1°

Distance of HR6861 from the Sun and relative movement

HR6861 is distant 1,164.29 light years from the Sun and it is moving far from the Sun at the speed of 3 kilometers per second.

357.14 pc
1,164.29 ly
3 km/s
0.007 arcsec/year
0.008 arcsec/year

Spectral properties of HR6861

HR6861 belongs to spectral class M5 and has a luminosity class of III corresponding to a giant star.

-1.51
M5III
3345K

The red dot in the diagram below shows where HR6861 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6861. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6861

SAO186699
SAO186699