Catalogue of Variable Stars in Globular Clusters - A catalogue of variable stars in globular clusters, featuring, for each cluster, single variables listed with pulsational parameters (period).
Databases of Padova Astronomy Department - Databases maintained by the Padova Astronomy Department (Italy) with a lot of information for each galactic cluster. Three different databases are available: "Ground-based Data", "HST Snapshot" and "HST Deep".
A Galactic Globular Clusters Database - Searchable database of galactic globular clusters parameters. Clusters have colour-magnitude diagrams and Digital Sky Survey images.
Globular Star Clusters - Information from SEDS on globular clusters.
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