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Proper NameFulu
Bayer DesignationZeta Cassiopeiae
Flamsteed Number17 Cassiopeiae
HR (BSC)153
Right Ascension0h 36m 58s
Declination+53° 53' 49"
Distance593 light years
182 parsecs
MagnitudeApparent: +3.7
Absolute: -2.6
Spectral ClassB2IV Blue Subgiant
Optimum VisibilityOctober (Usually visible from northern latitudes)
NotesFulu or Zeta Cassiopeiae lies to the south of Cassiopeia's recognisable 'W' shape, almost directly southward of the brighter star Schedar or Alpha Cassiopeiae. This is a pulsating variable star, showing regular variations in its luminosity over a period of 1.6 days.


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