1759 Kienle

1759 Kienle, provisional designation 1942 RF, is a main-belt asteroid discovered on September 11, 1942, by Karl Reinmuth at Heidelberg Observatory, Germany.

Named after astrophysicist Hans Kienle (1895–1975), known for his work on spectrophotometry and director of several German observatories, including the discovery site, Heidelberg. Kienle was also president of IAU Commission 36.