Photometric observations of comet 81P/Wild 2 during the 2010 perihelion passage I. Bertini, C. Barbieri, T.-M. Ho, M. Lazzarin, G. Cremonese, M. Küppers, S. Magrin and S. Marchi A&A, 541 (2012) A159 Published online: 22 May 2012 DOI: 10.1051/0004-6361/201118004