def Deep_Data(L_1197, L_1216, L_1235, L_1373, L_1453, L_1503):
    """
        Deep-Data Hydrocarbon Index =============================================
            Convert numpy arrays of radiance data to a Deep-Data hydrocarbon
            index map

        Inputs ==================================================================
            L_1197 : At-sensor radiance at 1197 nm wavelength (numpy array)
            L_1216 : At-sensor radiance at 1216 nm wavelength (numpy array)
            L_1235 : At-sensor radiance at 1235 nm wavelength (numpy array)
            L_1373 : At-sensor radiance at 1373 nm wavelength (numpy array)
            L_1453 : At-sensor radiance at 1453 nm wavelength (numpy array)
            L_1503 : At-sensor radiance at 1503 nm wavelength (numpy array)

        Returns =================================================================
            Deep-Data Hydrocarbon Index Map

    """
    return 1.2 * L_1197 - 1.1 * L_1216 + 0.5 * (1.2 * L_1235 - L_1197 * 1.1
        ) - (1.2 * L_1373 - 1.1 * L_1453 + 0.5 * (1.2 * L_1503 - L_1373 * 1.1))
