Unformed stars

(Astron.) stars not grouped into any constellation; informed stars. See Sporades.

See also: Unformed

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
Only some stars were appointed to constellations; others were left on their own recognizance as "unformed stars" or were just ignored.