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public LocationGreenwich, UK
TimezoneEurope/London
Sunrise: 5:15 
Transit: 13:06 
Sunset: 20:56
wb_twilight   (Civil Twilight)   What's Visible Now?
All Constellations » Serpens » 

HR6666

Below the horizon.  Rise: 17:35 | Tran: 22:38 | Set: 3:44
Alt: -7.46°   Az: 261.85°   Direction: West

HR6666 is a giant star of spectral class K1 in the constellation of Serpens.

HR6666 visual magnitude is 6.18. Because of its faintness, HR6666 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 HR6666 star
DSS2 image of HR6666. The red arrow shows the motion of HR6666 during the next 10000 years (9.17 arcmin in Right Ascension and -5.50 arcmin in declination);

Celestial Coordinates

Apparent

17h 54m 25s
-10° 54’ 12”
05h 53m 11s
23h 47m 37s

J2000

17h 53m 03s
-10° 53’ 58”

Galactic Coordinates

16.45°
7.7°

Finder Chart

Finder chart HR6666 star
Simplified finder chart for HR6666.

Magnitude, Color, Spectral Class

6.18
Giant

1.57
K1
4493K

The red dot in the diagram below shows where HR6666 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6666. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR6666 is distant 273.03 light years from the Sun and it is moving towards the Sun at the speed of 35 kilometers per second.

83.75
273.03
-35 km/s
0.055 arcsec/y
-0.033"/y

Alternative Designations

SAO160885
SAO160885

Visibility from Your Location

Today's HR6666 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 100.9°
Max altitude: 27.6°
Azimuth: 259.1°