Messier 47
Messier 47 ( M47 or NGC 2422 ) is an open cluster in the mildly southern constellation of Puppis . 
<triplet> Messier 47 <subj> open cluster <obj> instance of <subj> Puppis <obj> constellation <triplet> constellation <subj> southern <obj> part of <triplet> Puppis <subj> constellation <obj> instance of