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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: 6:59  
clear_day Transit: 12:12  
SunsetSet: 17:25
sunny DaytimeWhat's Visible Now?
All Constellations » Hercules » 

HR6887

Altitude: 35.6°   Azimuth: 250.6°   Direction: West-South-West

HR6887 is a hypergiant star in the constellation of Hercules.

HR6887 visual magnitude is 6.22. Because of its reltive faintness, HR6887 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The proper motion of HR6887 is -0.019 arcsec per year in Right Ascension and -0.016 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR6887 star
DSS2 image of HR6887. The red arrow shows the motion of HR6887 during the next 10000 years (-3.17 arcmin in Right Ascension and -2.67 arcmin in declination);

Key facts about HR6887

6.22
Hypergiant

HR6887 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 35.6°
Azimuth: 250.6°
Direction: West-South-West

Celestial coordinates and finder chart of HR6887

HR6887 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 HR6887 are provided in the following table:

18h 23m 02s
+16° 41’ 17”
44.91°
13.67°
Hercules

The simplified sky map below shows the position of HR6887 in the sky:

Finder chart HR6887 star
Simplified finder chart for HR6887.

Visibility of HR6887 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 HR6887 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: 73.3°
Max altitude: 55.2°
Azimuth: 286.7°

Distance of HR6887 from the Sun and relative movement

HR6887 is distant 495.44 light years from the Sun and it is moving far from the Sun at the speed of 15 kilometers per second.

151.98 pc
495.44 ly
15 km/s
-0.019 arcsec/year
-0.016 arcsec/year

Spectral properties of HR6887

HR6887 belongs to spectral class K0

0.31
K0
4309K

The red dot in the diagram below shows where HR6887 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6887. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6887

SAO103660
SAO103660