Data sources:

PD: J.L.Prieto, K.Denney, O.Peicha, R.M.Wagner, ATel No.1835, 2008.
SDS,RTC: g,r-magnitudes from SDSS and RETROCAM (the same source).
CSS: CSS magnitudes. A.J.Drake, E.C.Beshore, S.G.Djorgovski, A.A.Mahabal, M.J.Graham, R.Williams, M.Catelan, S.M.Larson, R.Hill, A.Gibbs, A.Boattini, E.Cristensen, ATel No.1940, 2009 (The data are taken from their computer generated light curve, the photometric system is unestablished. Initial date of this plot was accepted as 2005-01-01 (JD 2453371.5)).
SO: BVRc photometry by V.P.Goranskij with CCD EEV 42-40 and SAO 1 m telescope.
47: BVRc photometry by V.P.Goranskij with CCD EEV Apogee-47p and SAi Crimean Station 60 cm telescope.