▽NAOJ ATC top_page ●01/09 12:45 Welcome to the ATC HOME Projects Shop ・ Unit Education and OJT Access About Advanced Technology Center The Advanced Technology Center (ATC) is the research center for advanced instrumentation and technology development for both ground-based and space astronomy with wavelengths ranging from radio through ultra-violet. Needless to say, advances in astronomy are made possible only through state-of-th