71 is a globular star cluster located in the constellation of Sagitta,
the arrow. It lies approximately 12 thousand light years away and
is 27 light years in diameter.This cluster was discovered by Phillipe
Loys de Cheseaux in 1745. Charles Messier added it to his catalogue
This star cluster is atypical in that, unlike other globular clusters,
it lacks a very dense core and contains many metal-rich stars. In
fact, it was considered to a be dense open cluster until the 1970's.