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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 6:38 
Transit: 12:54 
Sunset: 19:10
wb_twilight   (Civil Twilight)  
What's Visible Now • Tonight Timeline
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All Constellations » Ophiuchus » 

ν Ophiuchi (nu Ophiuchi)

Above the horizon.  Rise: 14:07 | Tran: 19:15 | Set: 0:23
Alt: 28.45°   Az: 187.87°   Direction: South

ν Ophiuchi is a hypergiant star of spectral class K0 in the constellation of Ophiuchus.

ν Ophiuchi visual magnitude is 3.34. Because of its moderate brightness, ν Ophiuchi is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

Image of ν Ophiuchi (nu Ophiuchi) star
DSS2 image of ν Ophiuchi. The red arrow shows the motion of ν Ophiuchi during the next 1000 years (-0.12 arcmin in Right Ascension and -1.93 arcmin in declination);

Celestial Coordinates

Apparent

18h 00m 23s
-09° 46’ 25”
00h 28m 03s
18h 28m 26s

J2000

17h 59m 01s
-09° 46’ 24”

Galactic Coordinates

18.17°
6.98°

Finder Chart

Finder chart ν Ophiuchi (nu Ophiuchi) star
Simplified finder chart for ν Ophiuchi (nu Ophiuchi).

Magnitude, Color, Spectral Class

3.34
Hypergiant

-0.01
K0III
4767K

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

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

Distance, Radial Speed, Proper Motion

ν Ophiuchi is distant 152.69 light years from the Sun and it is moving far from the Sun at the speed of 13 kilometers per second.

46.84
152.69
13 km/s
-0.007 arcsec/y
-0.116"/y

Alternative Designations

ν Ophiuchi
(nu Ophiuchi)
64 Ophiuchi
SAO142004
SAO142004

Visibility from Your Location

Today's ν Ophiuchi (nu Ophiuchi) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 99.8°
Max altitude: 28.7°
Azimuth: 260.2°