page_title: David Dunlap Observatory Catalogue
section_title: DDO 3
hierarchical_section_title: David Dunlap Observatory Catalogue / Examples / DDO 3
caption_attribution_description: NGC 147 elliptical galaxy
context_page_description: David Dunlap Observatory Catalogue, known as the DDO or A Catalogue of Dwarf Galaxies, is a catalogue of dwarf galaxies that was compiled by Sidney van den Bergh and published by the David Dunlap Observatory in 1959.
context_section_description: DDO 3 (also known as NGC 147, PGC 2004, UGC 326, LEDA 2004 or Caldwell 17) is a dwarf spheroidal galaxy which is located in the northern constellation of Cassiopeia, near the border of Andromeda. It is a small satellite galaxy of the famous Messier 31, which is the largest galaxy in the Local Group.
caption: DDO 3
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