Data sources:

Nak: Discovery by S.Nakano (CBET No.3202, 2012).
MDV: U.Munari, S.Dallaporta, P.Valisa, Astronomer's Telegram No.4320, 2012.
NA:The Stony Brook/SMARTS
SO: UBVRcIc photometry by V.P.Goranskij with the SAO 1-m Zeiss telescope and CCD EEV 42-40.
47: UBVRc photometry by V.P.Goranskij and E.A.Barsukova with the SAI Crimean Station 60-cm reflector and CCD Apogee-47p.