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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:17 
Transit: 12:46 
Sunset: 18:15
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All Constellations » Cygnus » 

HR8103

Above the horizon.  Circumpolar today
Alt: 42.24°   Az: 65.85°   Direction: East-North-East

HR8103 is a variable sub-giant star of spectral class B4 in the constellation of Cygnus.

HR8103 visual magnitude is 6.63. Because of its faintness, HR8103 is not visible to the naked eye.

Image of HR8103 star
DSS2 image of HR8103. The red arrow shows the motion of HR8103 during the next 100000 years (6.67 arcmin in Right Ascension and -1.67 arcmin in declination);

Celestial Coordinates

Apparent

21h 10m 52s
+45° 36’ 15”
19h 00m 12s
16h 11m 04s

J2000

21h 09m 58s
+45° 30’ 08”

Galactic Coordinates

87.7°
-1.68°

Finder Chart

Finder chart HR8103 star
Simplified finder chart for HR8103.

Magnitude, Color, Spectral Class

6.63
Sub-giant

-1.00
B4IV
12692K

The red dot in the diagram below shows where HR8103 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR8103. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR8103 is distant 1,093.96 light years from the Sun and it is moving far from the Sun at the speed of 9 kilometers per second.

335.57
1,093.96
9 km/s
0.004 arcsec/y
-0.001"/y

Alternative Designations

SAO50521
SAO50521

Visibility from Your Location

HR8103 is circumpolar and transits at 19:51 UTC (altitude: 84.1°)