SALT long-slit spectroscopy of CTS C30.10: two-component Mg II line J. Modzelewska, B. Czerny, K. Hryniewicz, M. Bilicki, M. Krupa, A. Świȩtoń, W. Pych, A. Udalski, T. P. Adhikari and F. Petrogalli A&A, 570 (2014) A53 Published online: 15 October 2014 DOI: 10.1051/0004-6361/201424332