Advanced Solar Observatory Walker, Arthur B. ; Bailey, Wayne L. ; Chupp, Edward L. ; Hudson, Hugh S. ; Moore, Ronald L. ; Roberts, William T. ; Hoover, Richard B. ; Wu, Shi T. Abstract Publication: Instrumentation in Astronomy VII Pub Date: July 1990 DOI: 10.1117/12.19145 Bibcode: 1990SPIE.1235..802W