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RGB detail of the Missoula scene (top left), (top right) color scaled residual: the magenta pixels correspond to higher residual (Equation [5]) later flagged as cloud, the red pixels were not flagged as cloud but discarded (in that case water and cloud shadow), the purple pixels are clouds flagged early in the processing by the cirrus band (note the threshold on the cirrus band has been set very conservatively ~ 0.02 reflectance unit). (Bottom left) Cirrus band 9.
