normally a tight group of stars is a constellation or a preperation for an eclipse hope this helps!
constellation
A spherical cluster.
Global Cluster
Global Cluster
Star cluster or Stellar cluster.
I think you are describing a "globular cluster", which are associated with older stars by most astronomers.
a group of the stars
A collective noun for a group of stars is a cluster of stars (small group) and a galaxy of stars (large group).
a group of stars is galled a constellation
The group is known as a constellation.
constellation is a group of stars with a name assigned to it ;
Click tight is a rap group....225 all day