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"]] -5.0176147688626465e+00, 4.3179643112815420e-02, 0.0000000000000000e+00, 5.1700980383874438e+01, 0.0000000000000000e+00, -4.3179643112815420e-02 HOTVOLC ASH RGB Composite of the France region on 2026-02-19 00:30:00. On this composite image, volcanic ash appears in dark blue and SO2 in turquoise. PIXEL Red canal of the HOTVOLC ASH RGB Composite: Brightness Temperature @ 10.8µm - Brightness Temperature @ 12 µm Green canal of the HOTVOLC ASH RGB Composite: Brightness Temperature @ 10.8µm - Brightness Temperature @ 8.7 µm Blue canal of the HOTVOLC ASH RGB Composite: Brightness Temperature @ 10.8 µm Alpha canal of the HOTVOLC ASH RGB Composite