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Nodus I, Zeta Draconis, 22 Draconis

Proper NamesAldhibah, Nodus I, Nodus III
Bayer DesignationZeta Draconis
Flamsteed Number22 Draconis
HR (BSC)6396
Right Ascension17h 8m 47s
Declination+65° 42' 53"
Distance328 light years
101 parsecs
MagnitudeApparent: +3.1
Absolute: +1.9
Spectral ClassB6III Blue Giant
Optimum VisibilityJune (Usually visible from northern latitudes)
NotesOne of several stars in Draco with the alternative name Nodus, representing knots in the looping shape formed by the Dragon's long serpentine tail. This star is also known as Nodus I but, confusingly, some systems designate Nodus I as Xi Dracronis, with this Zeta star being Nodus III.


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