Data sources:

6m: V photometry by V.P.Goranskij, E.A.Barsukova and D.V. Oparin made with the BTA6-m telescope and SCORPIO-2.
AF: V.P.Goranskij with the SAI Crimean Station 60 cm Zeiss telescope and FLI PL 16803 CCD.
Ag: ATLAS data in the orange o-filter from VSNET-alert No.27924.
Ak: Photometry with the SAO Zeiss-1000 guide and Atik-414ex CCD without filters (~Rc).
MM: UBVRcIc photometry with the SAO 1-m Zeiss telescope and MMPP photometer- polarimeter.
NS: V.P.Goranskij, BV(RI)c photometry with the SAO Zeiss 1-meter reflector and new EEV 42-40 CCD photometer.
SO: UBVRcIc photometry by V.P. Goranskij with the SAO Zeiss 1-m reflector and EEV 42-40 CCD photometer.
SV: S.Yu.Shugarov, UBV(RI)c photometry with the Zeiss-600 G2 telescope of Stara Lesna Observatory and CCD FLI2, Slovakia.