What is the collective nouns of astarous?

The term "astarous" refers to something star-like or related to stars, but it doesn't have a widely recognized collective noun. If you're looking for a general collective noun for stars, you might use "constellation" or "galaxy" to describe a group of stars. Alternatively, if "astarous" is intended to refer to a group of entities or beings characterized by star-like qualities, you could creatively use "a cluster of astarous" or "a brilliance of astarous."