Literature sources:

Mea: U.Munari, G.Dalla Via, P.Valisa, S.Dallaporta, CBET 897, 2007.
vis: visual observations by K.Hornoch, K.Sarneczky, J.D.West, P.Schmeer, IAUC 8821, 2007.
CCD: unfiltered CCD observations by A.Tago, S.Nakano, K.Nishiyama, T.Sakamoto, IAUC 8821, 2007.
TMR: T.Tomov, M.Mikolajewski, E.Ragan, M.Cikala, E.Swierczynski, T.Brozek, A.Karska, P.Wychudzki, M.Wiecek, C.Galan, P.Koziatek, M.Lewandowski, T.Radomski, K.Czart, A.Zajczyk, P.Konorski, A.Niedzielski, IBVS No.5779, 2007.
Me: N.V.Metlova with photoelectric UBV photometer by V.M.Lyuty and 60 cm reflector.
Q: A.V.Kusakin with CCD SBIG ST-7 and 30 cm reflector.
S7: V.P.Goranskij with CCD SBIG ST-7 and SAI 60 cm reflector.
SO: UBVRc photometry by V.P.Goranskij and E.A.Barsukova with CCD EEV 42-40 and SAO 1 m telescope.
VJ: UBVRj photometry by A.Zharova with CCD Apogee-47 and SAI 60 cm reflector (Rc=Rj+0.5).
if: R photometry by V.P.Goranskij with an image tube and digital camera with 25 cm telescope.
Pi: V.P.Goranskij with CCD MEADE Pictor-416 and SAI Crimean Station 50 cm Maksutov telescope.