GEOGCS["WGS 84",DATUM["WGS_1984",SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],AUTHORITY["EPSG","6326"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AXIS["Latitude",NORTH],AXIS["Longitude",EAST],AUTHORITY["EPSG","4326"]] 5.0672377098587518e+01, 8.9103705178781120e-02, 0.0000000000000000e+00, -1.6397838522504184e+01, 0.0000000000000000e+00, -8.9103705178781120e-02 HOTVOLC product for volcanic ash cloud detection using the 3-Band method (see Guéhenneux et al., 2015) for the Reunion region on 2026-01-19 01:45:00. Show the value of the brightness temperature difference between 10.8 µm and 12.0 µm for each pixel detected as ash contaminated. PIXEL