Named in honor of Prof. Frank K. Edmondson {1912– }, chairman of the Astronomy Department of Indiana University since 1944, treasurer of the American Astronomical Society (AAS) since 1954, program Director for astronomy of the National Science Foundation (NSF), 1956–57, and chairman of Section D (Astronomy) of the American Assoc. for the Advancement of Science (AAAS), 1962. He was chairman, U.S. National Committee of the International Astronomical Union (IAU), 1962–64. He was vice president, 1957–61, president, 1962–65 of the Association of Universities for Research in Astronomy, Inc. (AURA), and president of Comm. 20 of the International Astronomical Union (IAU), 1970. In 1964 he was decorated with the “Order of Merit” by the government of Chile. (M 3143) _ _.