Asteria — interactive night sky map
Xuange (Lambda Boötis) is a star in the constellation Boötes with an apparent magnitude of 4.18. It lies about 100 light-years from Earth. It is visible to the naked eye under dark skies.
It is best placed in the evening sky around April. It is visible from the whole northern hemisphere and from southern latitudes down to about 44°S. It is circumpolar (never sets) north of latitude 44°N.