Hello, on this zip file you have : SPOTLarzac020712_3x3.bil Subset of the SPOT2/HRV1 Generic Binary array file, band interleaved by line (BIL) format Data format is an unsigned integer (2 bytes) Data are stored in the order (line1,band1),(line1,band2),(line1,band3),(line2,band2),... Pixels are registered by their upper left corner Envi header file (.hdr) is available GENERAL CHARACTERISTICS Acquisition Date : 12/7/2002 Acquisition Hour : 10:31:50 K-J Identification : 046-261 Samples : 152 Lines : 152 Bands : 3 View zenith angle (°) : 26.90 View azimuth angle (°) : 99.20 Solar zenith angle (°) : 27.39 Solar azimuth angle (°) : 135.94 REFLECTANCE = DIGITAL COUNT / 1000 TOA reflectance (Top of Atmosphere) PROJECTION CHARACTERISTICS This image was geo-referenced by SPOTImage (SPOTViewBasic product) Map Projection Name : UTM 31, North Datum : WGS-84 Units : units=Meters Pixel Size (Easting) : 2.0000000000e+01 Pixel Size (Northing) : 2.0000000000e+01 Upper Left Corner Easting : 508347.9530 Upper Left Corner Northing : 4866459.5250