Hen 2–104: a close-up look at the Southern Crab M. Santander-García, R. L. M. Corradi, A. Mampaso, C. Morisset, U. Munari, M. Schirmer, B. Balick and M. Livio A&A, 485 1 (2008) 117-126 Published online: 16 April 2008 DOI: 10.1051/0004-6361:20079212