The StEllar Counterparts of COmpact high velocity clouds (SECCO) survey - I. Photos of ghosts M. Bellazzini, G. Beccari, G. Battaglia, N. Martin, V. Testa, R. Ibata, M. Correnti, F. Cusano and E. Sani A&A, 575 (2015) A126 Published online: 10 March 2015 DOI: 10.1051/0004-6361/201425262