WEBT observations are done by I. Papadakis (jhep@physics.uoc.gr) and K. Tsinganos.
Telescope parameters: Long: +24.897 deg, Lat=+35.212 deg, Altitude=1750m
Optical Configuration: f/7.7 Ritchey-Cretien, D=130cm.
CCD camera: 1024×1024 Tektronix CCD, 24um pixel size, 8×8 arcmin field of view.
Filters: Johnson U,B,V, Cousins R,I