The IC1396N proto-cluster at a scale of ~250 AU R. Neri, A. Fuente, C. Ceccarelli, P. Caselli, D. Johnstone, E. F. van Dishoeck, F. Wyrowski, M. Tafalla, B. Lefloch and R. Plume A&A, 468 3 (2007) L33-L36 Published online: 24 April 2007 DOI: 10.1051/0004-6361:20077320