Tags: Star.
Lambda Sagittarii (Lambda Sgr λ Sagittarii λ Sgr) is the Bayer designation for a star within the southern constellation of Sagittarius. The star marks the top of the Archer’s bow whence its traditional name Kaus Borealis. With an apparent visual magnitude of +2.82 this is one of the brighter members of the constellation and accordingly to the Bortle Dark-Sky Scale it is readily visible to the naked eye.
