Robo-AO at SP DC 2m MCGLAO order of magnitude better than VISTA 4m for NIR survey speed Survey Speed  SNR 2 *   2 60x shorter SP MCAO frame integration time avoids pixel saturation, nonlinearities, cosmic rays, and allows dithering for background subtraction 14 K-band Strehl, S SNR (K=22, 1 hr) Field of View Survey Speed (relative) VISTA 4m SL 16 VIRGO 2kx2k @ 340 mas/pix 12.30.77 deg1 Cerro Pachon 8m MCAO GeMS 4 H2RG 2kx2k @ 20 mas/pix 0.4 (avg over 85 ) 27.80.024 deg0.14 SP 2m AO (1 st generation) 1 H2RG 2kx2k @100 mas/pix 0.6 (avg over 3.5') 17.30.057 deg0.31 Plateau site 2m MCGLAO (2 nd generation) 25 H2RG 2kx2k @150 mas/pix 0.4 (avg over 30') 13.40.43 deg10.4
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