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Proper NameNone
Bayer DesignationEta Leonis
Flamsteed Number30 Leonis
HR (BSC)3975
Right Ascension10h 7m 20s
Declination+16° 45' 46"
Distancec.1,300 light years
c.400 parsecs
MagnitudeApparent: +3.5
Absolute: -4.4
Spectral ClassA0Ib white supergiant
Optimum VisibilityMarch
NotesThis is a luminous supergiant star, emitting thousands of times more light than the Sun, but so distant that it only appears a relatively faint magnitude +3.5 as seen from Earth. There are indications that the primary supergiant may have one or more companion stars.

Imagery provided by Aladin sky atlas


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