def inband_solarirradiance(self, rsr, scale=1.0, **options):
        """Derive the inband solar irradiance for a given instrument relative
        spectral response valid for an earth-sun distance of one AU."""

        return self._band_calculations(rsr, False, scale, **options)
Derive the inband solar irradiance for a given instrument relative
        spectral response valid for an earth-sun distance of one AU.