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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:04  
clear_day Transit: 12:47  
SunsetSet: 18:30 south
sunny DaytimeWhat's Visible Now
All Constellations » Ophiuchus » 

71 Ophiuchi

Altitude: 1.0°   Azimuth: 77.2°   Direction: East-North-East

71 Ophiuchi is a giant star in the constellation of Ophiuchus.

71 Ophiuchi visual magnitude is 4.64. Because of its moderate brightness, 71 Ophiuchi should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about 71 Ophiuchi:


71 Ophiuchi is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 1.0°
Azimuth: 77.2°
Direction: East-North-East

Celestial coordinates and finder chart of 71 Ophiuchi

71 Ophiuchi 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 71 Ophiuchi are provided in the following table:

18h 07m 18s
+08° 44’ 02”

The simplified sky map below shows the position of 71 Ophiuchi in the sky:

Finder chart 71 Ophiuchi star
Simplified finder chart for 71 Ophiuchi.

Visibility of 71 Ophiuchi 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 71 Ophiuchi 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: 81.3°
Max altitude: 47.3°
Azimuth: 278.7°

Digitized Sky Survey image of 71 Ophiuchi

The image below is a photograph of 71 Ophiuchi 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 71 Ophiuchi is 0.011 arcsec per year in Right Ascension and 0.032 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 71 Ophiuchi star
DSS2 image of 71 Ophiuchi. The red arrow shows the motion of 71 Ophiuchi during the next 10000 years (1.83 arcmin in Right Ascension and 5.33 arcmin in declination);

Distance of 71 Ophiuchi from the Sun and relative movement

71 Ophiuchi is distant 237.78 light years from the Sun and it is moving towards the Sun at the speed of 3 kilometers per second.

72.94 pc
237.78 ly
-3 km/s
0.011 arcsec/year
0.032 arcsec/year

Spectral properties of 71 Ophiuchi

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


The red dot in the diagram below shows where 71 Ophiuchi is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 71 Ophiuchi. Attribution: Richard Powell / CC BY-SA

Alternative designations of 71 Ophiuchi

71 Ophiuchi