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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 6:38 
Transit: 12:54 
Sunset: 19:10
sunny   (Daytime)  
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All Constellations » Ophiuchus » 

ψ Ophiuchi (psi Ophiuchi)

Below the horizon.  Rise: 13:31 | Tran: 17:41 | Set: 21:50
Alt: -25.24°   Az: 91.01°   Direction: East

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

ψ Ophiuchi visual magnitude is 4.5. Because of its moderate brightness, ψ 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 ψ Ophiuchi (psi Ophiuchi) star
DSS2 image of ψ Ophiuchi. The red arrow shows the motion of ψ Ophiuchi during the next 10000 years (-4.50 arcmin in Right Ascension and -7.83 arcmin in declination);

Celestial Coordinates

Apparent

16h 25m 33s
-20° 05’ 34”
16h 57m 27s
09h 23m 00s

J2000

16h 24m 06s
-20° 02’ 15”

Galactic Coordinates

356.17°
20.18°

Finder Chart

Finder chart ψ Ophiuchi (psi Ophiuchi) star
Simplified finder chart for ψ Ophiuchi (psi Ophiuchi).

Magnitude, Color, Spectral Class

4.5
Hypergiant

0.81
K0II
4719K

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

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

Distance, Radial Speed, Proper Motion

ψ Ophiuchi is distant 177.95 light years from the Sun

54.59
177.95
-0.027 arcsec/y
-0.047"/y

Alternative Designations

ψ Ophiuchi
(psi Ophiuchi)
SAO159892
SAO159892

Visibility from Your Location

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

Azimuth: 110.1°
Max altitude: 18.4°
Azimuth: 249.9°