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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:13 
Transit: 12:56 
Sunset: 20:39
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All Constellations » Cassiopeia » 

HR181

Above the horizon.  Circumpolar today
Alt: 34.61°   Az: 36.54°   Direction: North-East

HR181 is a giant star of spectral class B9 in the constellation of Cassiopeia.

HR181 visual magnitude is 6.17. Because of its faintness, HR181 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 HR181 star
DSS2 image of HR181. The red arrow shows the motion of HR181 during the next 10000 years (6.00 arcmin in Right Ascension and -1.17 arcmin in declination);

Celestial Coordinates

Apparent

00h 43m 59s
+58° 53’ 31”
16h 46m 07s
17h 30m 06s

J2000

00h 42m 31s
+58° 45’ 11”

Galactic Coordinates

121.77°
-4.1°

Finder Chart

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Finder chart for HR181.

Magnitude, Color, Spectral Class

6.17
Giant

-1.30
B9III
10252K

The red dot in the diagram below shows where HR181 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR181. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR181 is distant 1,015.58 light years from the Sun and it is moving towards the Sun at the speed of 3 kilometers per second.

311.53
1,015.58
-3 km/s
0.036 arcsec/y
-0.007"/y

Alternative Designations

SAO21642
SAO21642

Visibility from Your Location

HR181 is circumpolar and transits at 09:22 UTC (altitude: 82.6°)