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Proper NameNone
Bayer DesignationRho Cassiopeiae
Flamsteed Number7 Cassiopeiae
HR (BSC)9045
Right Ascension23h 54m 23s
Declination+57° 29' 58"
Distancec.3,400 light years
c.1,100 parsecs
MagnitudeApparent: +4.51
Absolute: -5.61
Spectral ClassG20 yellow hypergiantstar
Optimum VisibilitySeptember / October (Usually visible from northern latitudes)

Rho Cassiopeiae is an exceptionally luminous hypergiant star more than 3,400 light years from the Sun. The bluer star to its southeast is even more distant, a pulsating bright giant designated V373 Cassiopeiae. Imagery provided by Aladin sky atlas


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