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Wide Hα + [N II] filter.Figure A.91: Integrated system throughput for F657N.Figure A.92: Point source S/N vs. V+ABν for the F657N filter, assuming high sky backgrounds and a 5×5 pixel aperture.Figure A.93: Extended source S/N vs. V+ABν for the F657N filter, assuming high sky backgrounds and a source uniformly filling a 1 arcsec2 aperture.