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Sigma Cygni

67 Cygni

Proper NameNone
Bayer DesignationSigma Cygni
Flamsteed Number67 Cygni
HR (BSC)8143
HD202850
ConstellationCygnus
Right Ascension21h 17m 25s
Declination+39° 23' 41"
Distancec.2,900 light years
c.900 parsecs
MagnitudeApparent: +4.3
Absolute: -5.5
Spectral ClassB9Iab Blue Supergiant
Optimum VisibilityAugust / September

Imagery provided by Aladin sky atlas

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