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Proper Name	Sometimes known by the traditional name Marfak
Bayer Designation	Mu Cassiopeiae
Flamsteed Number	30 Cassiopeiae
HR (BSC)	321
HD	6582
Other Designations	Gliese 53, LHS 8
Constellation	Cassiopeia
Right Ascension	1h 8m 16s
Declination	+54° 55' 13"
Distance	25 light years 8 parsecs
Magnitude	Apparent: +5.17 Absolute: +5.74
Spectral Class	G5Vb yellow dwarf or subdwarf
Optimum Visibility	October (Usually visible from northern latitudes)

Mu Cassiopeiae is a relatively near neighbour of the Sun at a distance of just twenty-five light years. As seen from Earth, it lies close to a brighter, white star to the northeast, Theta Cassiopeiae (actually much more distant than Mu Cassiopeiae, but considerably more luminous). Theta Cassiopeiae is known by the common name Marfak (translated 'elbow'), and the same name is occasionally also used of Mu Cassiopeiae, or of the two stars as a pair. Imagery provided by Aladin sky atlas

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