Improved distance determination to M 51 from supernovae 2011dh and 2005cs J. Vinkó, K. Takáts, T. Szalai, G. H. Marion, J. C. Wheeler, K. Sárneczky, P. M. Garnavich, J. Kelemen, P. Klagyivik, A. Pál et al. (2 more) A&A, 540 (2012) A93 Published online: 03 April 2012 DOI: 10.1051/0004-6361/201118364