Data sources:
it: V.P.Goranskij with 25 cm reflector and IP-10 image tube.
Me: N.V.Metlova using SAI Crimean Station 60 cm reflector and V.M.Lyuty's photoelectric UBV photometer.
Mae: H.Maehara (VSNET).
SO: V.P.Goranskij using SAO 1 m Zeiss reflector and CCD EEV 42-40.
47: V.P.Goranskij and E.A.Barsukova using SAI Crimean Station 60 cm Zeiss reflector and Apogee-47p CCD (Corrections: V=V[47]-0.86; B=B[47]-0.62; Rc=Rc[47]+0.15).