WEBT observations are done by the team of the Korea Astronomy & Space Science Institute
Telescope parameters: Long= -110 47.5, Lat=+32 25.5, Alt=2776 m
Optical configuration: D= 1 m, f/7.5
CCD camera: FLI, Kodak 2K*2K*24um, TEC cooling, 22.5’*22.5′ field coverage
Filters : Johnsons U B V and Cousins R I