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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 4:52 
Transit: 12:57 
Sunset: 21:03
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All Constellations » Cassiopeia » 

31 Cassiopeiae

Above the horizon.  Circumpolar today
Alt: 71.29°   Az: 343.96°   Direction: North-North-West

31 Cassiopeiae is a hypergiant star of spectral class A0 in the constellation of Cassiopeia.

31 Cassiopeiae visual magnitude is 5.29. Because of its faintness, 31 Cassiopeiae 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 31 Cassiopeiae star
DSS2 image of 31 Cassiopeiae. The red arrow shows the motion of 31 Cassiopeiae during the next 10000 years (6.00 arcmin in Right Ascension and -5.17 arcmin in declination);

Celestial Coordinates

Apparent

01h 12m 24s
+68° 54’ 47”
00h 57m 02s
02h 09m 26s

J2000

01h 10m 39s
+68° 46’ 42”

Galactic Coordinates

124.68°
5.97°

Finder Chart

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Finder chart for 31 Cassiopeiae.

Magnitude, Color, Spectral Class

5.29
Hypergiant

0.35
A0V
10382K

The red dot in the diagram below shows where 31 Cassiopeiae is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 31 Cassiopeiae. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

31 Cassiopeiae is distant 317.74 light years from the Sun and it is moving far from the Sun at the speed of 1 kilometers per second.

97.47
317.74
1 km/s
0.036 arcsec/y
-0.031"/y

Alternative Designations

31 Cassiopeiae
SAO11612
SAO11612

Visibility from Your Location

31 Cassiopeiae is circumpolar and transits at 08:43 UTC (altitude: 72.6°)