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public LocationGreenwich, UK
TimezoneEurope/London
Sunrise: 5:11 
Transit: 13:06 
Sunset: 21:00
sunny   (Daytime)   What's Visible Now?
All Constellations » Hercules » 

HR6665

Below the horizon.  Rise: 15:30 | Tran: 22:48 | Set: 6:10
Alt: -22.67°   Az: 349.90°   Direction: North

HR6665 is a multiple hypergiant star of spectral class K0 in the constellation of Hercules.

HR6665 visual magnitude is 6.46. Because of its faintness, HR6665 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 HR6665 star
DSS2 image of HR6665. The red arrow shows the motion of HR6665 during the next 10000 years (0.00 arcmin in Right Ascension and 5.17 arcmin in declination);

Celestial Coordinates

Apparent

17h 53m 05s
+15° 19’ 16”
11h 21m 20s
05h 14m 25s

J2000

17h 51m 58s
+15° 19’ 32”

Galactic Coordinates

40.41°
19.92°

Finder Chart

Finder chart HR6665 star
Simplified finder chart for HR6665.

Magnitude, Color, Spectral Class

6.46
Hypergiant

0.81
K0III
10125K

The red dot in the diagram below shows where HR6665 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6665. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR6665 is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the HR6665 double sysyem:

6.46
6.66
0.2
0.8 arcsec

Distance, Radial Speed, Proper Motion

HR6665 is distant 440.54 light years from the Sun and it is moving towards the Sun at the speed of 43 kilometers per second.

135.14
440.54
-43 km/s
0.031"/y

Alternative Designations

SAO103161
SAO103161

Visibility from Your Location

Today's HR6665 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 74.7°
Max altitude: 53.8°
Azimuth: 285.3°