Dreyer's description of NGC 6939 in his New General Catalog (NGC):
"Cluster, pretty large, extremely rich in stars, westward compressed middle, stars of magnitude 11 to 16."
Quote from: The Deep Sky Field Guide to Uranometria 2000:
"Approximately 80 stars. Moderately rich in stars; small brightness range; slight central concentration."
Click below to
George Normandin, KAS
November 10th, 2001