This directory contains OGLE-III photometry of QSO 2237+0305 (Huchra's lens). README - this file A.dat - photometry file of component 'A' of quasar image. B.dat - photometry file of component 'B' of quasar image. C.dat - photometry file of component 'C' of quasar image. D.dat - photometry file of component 'D' of quasar image. 5.dat - photometry of comparison star '5'. 6.dat - photometry of comparison star '6'. lcurve.ps.gz - most recent OGLE-III light curve of QSO 2237+0305 (gzipped Postscript). All photometry files contain three columns: HJD-2450000, V (mag) V_error. Please note that after the 2006 season the OGLE-III photometry of QSO 2237+0305 was calibrated and tied to the OGLE-II scale. Thus, OGLE-II and OGLE-III photometry constitue now a homogeneous data set starting in 1997.