Opinions vary as to whether 300 or 1000 stars reside here. Easy to find, this cluster sits mid-way between Sigma and Rho Cassiopeiae. Image on the left from the Digital Sky Survey. Color image on the right by Beat Kohler and posted on Astro Info , a service of the Swiss Astronomical Society. A multilingual web site, most of the information is available only in German.
Total brightness is mag.
Stars range from mags. Messier thought he saw nebulosity, but there is none. Map Printable Map More info. Included are both the Digital Sky Survey image, and a detailed map from The Sky for Windows, the latter showing the spectral colors of the brighter stars. From the Digital Sky Survey.