Space Agency. p. 994. ISBN 0-933346-83-2. Seligman, Courtney. "NGC 3607 (= PGC 34426)". Celestial Atlas. Retrieved 2021-12-20. "The Leo III Groups". Atlas...
October 17, 1876 by Édouard Stephan, and is interacting with the galaxy PGC 2726. Spiral galaxy List of NGC objects (1–1000) Andromeda (constellation)...