2MASS J22560844+5954299: the newly discovered cataclysmic star with the deepest eclipse D. Kjurkchieva, T. Khruzina, D. Dimitrov, R. Groebel, S. Ibryamov and G. Nikolov A&A, 584 (2015) A40 Published online: 18 November 2015 DOI: 10.1051/0004-6361/201526102