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"]] -2.8001170508848048e+01, 5.0000000000000001e-03, 0.0000000000000000e+00, 6.8631365099965379e+01, 0.0000000000000000e+00, -5.0000000000000001e-03 HOTVOLC ASH RGB Composite of the Islande region on 2011-05-23 20:00:00. 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