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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: 7:44  
clear_day Transit: 11:48  
SunsetSet: 15:51 south
sunny DaytimeWhat's Visible Now?
All Constellations » Hercules » 

HR6687

Altitude: 60.2°   Azimuth: 196.3°   Direction: South-South-West

HR6687 is a giant star in the constellation of Hercules.

HR6687 visual magnitude is 5.58. Because of its reltive faintness, HR6687 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 HR6687:

5.58
Giant

HR6687 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 60.2°
Azimuth: 196.3°
Direction: South-South-West

Celestial coordinates and finder chart of HR6687

HR6687 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 HR6687 are provided in the following table:

17h 55m 50s
+22° 27’ 51”
47.84°
21.83°
Hercules

The simplified sky map below shows the position of HR6687 in the sky:

Finder chart HR6687 star
Simplified finder chart for HR6687.

Visibility of HR6687 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 HR6687 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: 67.5°
Max altitude: 61.0°
Azimuth: 292.5°

Digitized Sky Survey image of HR6687

The image below is a photograph of HR6687 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 HR6687 is -0.002 arcsec per year in Right Ascension and 0.002 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR6687 star
DSS2 image of HR6687. The red arrow shows the motion of HR6687 during the next 100000 years (-3.33 arcmin in Right Ascension and 3.33 arcmin in declination);

Distance of HR6687 from the Sun and relative movement

HR6687 is distant 488.76 light years from the Sun and it is moving towards the Sun at the speed of 44 kilometers per second.

149.93 pc
488.76 ly
-44 km/s
-0.002 arcsec/year
0.002 arcsec/year

Spectral properties of HR6687

HR6687 belongs to spectral class K3

-0.30
K3
4232K

The red dot in the diagram below shows where HR6687 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6687. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6687

SAO85552
SAO85552