Custer Institute Observatory is... *A 501(C)3 nonprofit *Founded in 1927 by Charles Elmer of the Perkin Elmer Corporation. *Intended for science and intellectuals Has hosted many famous scientists throughout history, including Albert Einstein, Dr. Peter Van De Kamp and Dr. Sarah Lee Lippincott. *Houses the largest telescope of its kind in the US (3 meter FL Zerochromat) *A great resource of information from members in STEAM related fields *The oldest public observatory on Long Island *Custer has hosted many great projects throughout the years!