TheYale Observatory Zone Catalog a series ofstar catalogs published by theYale University Observatory for 1939 to 1983, containing around 400,000 records.

A total of 25 catalogs were published, so all references to stars include both the catalog number and the star number.

• Bright Star Catalogue
• Ida Barney
• Ellen Dorrit Hoffleit
• Frank Schlesinger

• Integrated Yale Observatory Zone Catalogs^{[permanent dead link]}

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