Structures in the dust coma of comet C/1999 T1 (McNaught-Hartley) from Jan. 26 to Feb. 05, 2001L. M. Lara, J. Licandro and G.-P. TozziA&A, 497 3 (2009) 843-846DOI: https://doi.org/10.1051/0004-6361/200810194