Magic and Charm: A Novel Approach to Tip-Tilt Adaptive Optics McCaughrean, M. J. ; Glindemann, A. ; Birk, C. ; Herbst, T. M. ; Rohloff, R. R. ; Beckwith, S. Abstract Publication: Astronomy with Arrays, The Next Generation Pub Date: 1994 DOI: 10.1007/978-94-011-1070-9_91 Bibcode: 1994ASSL..190..297M