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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:05 
Transit: 12:56 
Sunset: 20:48
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All Constellations » Hercules » 

HR6642

Below the horizon.  Rise: 19:20 | Tran: 3:05 | Set: 10:47
Alt: -11.42°   Az: 37.46°   Direction: North-East

HR6642 is a main-sequence star of spectral class A1 in the constellation of Hercules.

HR6642 visual magnitude is 6.12. Because of its faintness, HR6642 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 HR6642 star
DSS2 image of HR6642. The red arrow shows the motion of HR6642 during the next 10000 years (-1.00 arcmin in Right Ascension and 3.67 arcmin in declination);

Celestial Coordinates

Apparent

17h 49m 54s
+19° 14’ 55”
14h 36m 38s
08h 26m 32s

J2000

17h 48m 47s
+19° 15’ 19”

Galactic Coordinates

43.97°
22.16°

Finder Chart

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Finder chart for HR6642.

Magnitude, Color, Spectral Class

6.12
Main-sequence

-0.25
A1V
9882K

The red dot in the diagram below shows where HR6642 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6642. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR6642 is distant 611.63 light years from the Sun and it is moving towards the Sun at the speed of 25 kilometers per second.

187.62
611.63
-25 km/s
-0.006 arcsec/y
0.022"/y

Alternative Designations

SAO103131
SAO103131

Visibility from Your Location

Today's HR6642 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 70.8°
Max altitude: 57.8°
Azimuth: 289.2°