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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 » 

HR6902

Altitude: 15.9°   Azimuth: 97.2°   Direction: East

HR6902 is a giant star in the constellation of Ophiuchus.

HR6902 visual magnitude is 5.65. Because of its reltive faintness, HR6902 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 HR6902:

5.65
Giant

HR6902 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 15.9°
Azimuth: 97.2°
Direction: East

Celestial coordinates and finder chart of HR6902

HR6902 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 HR6902 are provided in the following table:

18h 25m 38s
+08° 01’ 54”
37.21°
9.36°
Ophiuchus

The simplified sky map below shows the position of HR6902 in the sky:

Finder chart HR6902 star
Simplified finder chart for HR6902.

Visibility of HR6902 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 HR6902 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: 82.0°
Max altitude: 46.6°
Azimuth: 278.0°

Digitized Sky Survey image of HR6902

The image below is a photograph of HR6902 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 HR6902 is -0.002 arcsec per year in Right Ascension and -0.006 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR6902 star
DSS2 image of HR6902. The red arrow shows the motion of HR6902 during the next 100000 years (-3.33 arcmin in Right Ascension and -10.00 arcmin in declination);

Distance of HR6902 from the Sun and relative movement

HR6902 is distant 806.93 light years from the Sun and it is moving towards the Sun at the speed of 8 kilometers per second.

247.52 pc
806.93 ly
-8 km/s
-0.002 arcsec/year
-0.006 arcsec/year

Spectral properties of HR6902

HR6902 belongs to spectral class G8 and has a luminosity class of III corresponding to a giant star.

-1.32
G8III
4943K

The red dot in the diagram below shows where HR6902 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6902. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6902

SAO123462
SAO123462