Star Clusters

1. Lacaille and his catalog of clusters and nebulae  (site info) A discussion of Lacaille's catalog, which is mainly of historical interest. Includes the catalog itself. http://bozo.lpl.arizona.edu/messier/xtra/history/l... 2. Star Clusters  (site info) General information on star clusters from SEDS. http://www.seds.org/messier/cluster.html 3. Stellar Clusters  (site info) Lecture notes by Professor Barbara Ryden. http://www-astronomy.mps.ohio-state.edu/~ryden/ast... 1-3 of 3.