MASTER-SAAO detected optical source MASTER OT J191707.68+125219.2 (= GSC2.3 N2CB095746) at 19h 17m 07.68s +12d 52m 19.2s on 2017-03-06.108 UT with unfilterd m_OT=17.1, possible young stellar object (Marton et al. 2016)