On-sky correction of non-common path aberration with the pyramid wavefront sensor S. Esposito, A. Puglisi, E. Pinna, G. Agapito, F. Quirós-Pacheco, J. P. Véran and G. Herriot A&A, 636 (2020) A88 Published online: 24 April 2020 DOI: 10.1051/0004-6361/201937033