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Proper NameNone
Bayer DesignationNone
Flamsteed Number4 Lacertae
HR (BSC)8541
HD212593
ConstellationLacerta
Right Ascension22h 24m 31s
Declination+49° 28' 35"
Distancec.2,600 light years
c.800 parsecs
MagnitudeApparent: +4.59
Absolute: -4.90
Spectral ClassA0Iab white supergiant
Optimum VisibilitySeptember (Usually visible from northern latitudes)
22 24 30.990 +49 28 35.00
FoV: 49.92'
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Imagery provided by Aladin sky atlas

If Earth were closer to this supergiant star, it would shine much more brightly: at ten parsecs, white 4 Lacertae would be brighter than Venus in the sky. In reality, it is more than 2,500 light years away, and has a faint apparent magnitude of +4.90.

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