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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:06 
Transit: 12:13 
Sunset: 17:21
sunny   (Daytime)  
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All Constellations » Ophiuchus » 

HR6578

Below the horizon.  Rise: 1:56 | Tran: 7:43 | Set: 13:30
Alt: -15.43°   Az: 286.49°   Direction: West-North-West

HR6578 is a variable supergiant star of spectral class K2 in the constellation of Ophiuchus.

HR6578 visual magnitude is 6.19. Because of its faintness, HR6578 is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Image of HR6578 star
DSS2 image of HR6578. The red arrow shows the motion of HR6578 during the next 10000 years (-3.83 arcmin in Right Ascension and -3.00 arcmin in declination);

Celestial Coordinates

Apparent

17h 41m 30s
-02° 09’ 51”
07h 29m 19s
01h 10m 49s

J2000

17h 40m 11s
-02° 09’ 08”

Galactic Coordinates

22.64°
14.77°

Finder Chart

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Finder chart for HR6578.

Magnitude, Color, Spectral Class

6.19
Supergiant

0.08
K2I
3555K

The red dot in the diagram below shows where HR6578 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6578. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR6578 is distant 544.24 light years from the Sun and it is moving towards the Sun at the speed of 49 kilometers per second.

166.94
544.24
-49 km/s
-0.023 arcsec/y
-0.018"/y

Alternative Designations

SAO141798
SAO141798

Visibility from Your Location

Today's HR6578 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 92.2°
Max altitude: 36.4°
Azimuth: 267.8°