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Proper Names	Aldhibah, Nodus I, Nodus III
Bayer Designation	Zeta Draconis
Flamsteed Number	22 Draconis
HR (BSC)	6396
HD	155763
Constellation	Draco
Right Ascension	17h 8m 47s
Declination	+65° 42' 53"
Distance	417 light years 128 parsecs
Magnitude	Apparent: +3.1 Absolute: +1.9
Spectral Class	B6III Blue Giant
Optimum Visibility	June (Usually visible from northern latitudes)
Notes	One 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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