DO Dra is the correct GCVS name of the object (1988IBVS.3154....1K), while some authors still call it YY Dra, which is the (lost) Algol-type variable discovered by V.P.Tsessevich (1934)
Author comment submitted on 11 April, 2017 by Ivan L. Andronov ( tt_ari@ukr.net )