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z (Hα + [N II]) filter.Figure A.103: Integrated system throughput for F680N.Figure A.104: Point source S/N vs. V+ABν for the F680N filter, assuming high sky backgrounds and a 5×5 pixel aperture.Figure A.105: Extended source S/N vs. V+ABν for the F680N filter, assuming high sky backgrounds and a source uniformly filling a 1 arcsec2 aperture.